diff --git a/lerna.json b/lerna.json
index cf43ed610e0..0f8c3426813 100644
--- a/lerna.json
+++ b/lerna.json
@@ -4,5 +4,5 @@
   ],
   "npmClient": "yarn",
   "useWorkspaces": true,
-  "version": "20.0.0-alpha0"
+  "version": "20.0.0-alpha1"
 }
diff --git a/packages/vaadin-accordion/package.json b/packages/vaadin-accordion/package.json
index 7dfeb6c6a49..b72da31c8ec 100644
--- a/packages/vaadin-accordion/package.json
+++ b/packages/vaadin-accordion/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-accordion",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-accordion",
   "main": "vaadin-accordion.js",
   "module": "vaadin-accordion.js",
@@ -29,11 +29,11 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-details": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-details": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-accordion/src/vaadin-accordion.js b/packages/vaadin-accordion/src/vaadin-accordion.js
index 7b0694e3623..05eb755b622 100644
--- a/packages/vaadin-accordion/src/vaadin-accordion.js
+++ b/packages/vaadin-accordion/src/vaadin-accordion.js
@@ -78,7 +78,7 @@ class AccordionElement extends ThemableMixin(ElementMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-app-layout/package.json b/packages/vaadin-app-layout/package.json
index afb4088abee..891a09cbeed 100644
--- a/packages/vaadin-app-layout/package.json
+++ b/packages/vaadin-app-layout/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-app-layout",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-app-layout",
   "main": "vaadin-app-layout.js",
   "module": "vaadin-app-layout.js",
@@ -29,11 +29,11 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
@@ -41,8 +41,8 @@
     "@open-wc/testing-helpers": "^1.8.12",
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/iron-test-helpers": "^3.0.1",
-    "@vaadin/vaadin-icons": "^20.0.0-alpha0",
-    "@vaadin/vaadin-tabs": "^20.0.0-alpha0",
+    "@vaadin/vaadin-icons": "^20.0.0-alpha1",
+    "@vaadin/vaadin-tabs": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-app-layout/src/vaadin-app-layout.js b/packages/vaadin-app-layout/src/vaadin-app-layout.js
index 23920abaed1..c682b6fbe2f 100644
--- a/packages/vaadin-app-layout/src/vaadin-app-layout.js
+++ b/packages/vaadin-app-layout/src/vaadin-app-layout.js
@@ -302,7 +302,7 @@ class AppLayoutElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-avatar/package.json b/packages/vaadin-avatar/package.json
index 50d895e5230..6c1d6b9cf5c 100644
--- a/packages/vaadin-avatar/package.json
+++ b/packages/vaadin-avatar/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-avatar",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-avatar",
   "main": "vaadin-avatar-group.js",
   "module": "vaadin-avatar-group.js",
@@ -28,16 +28,16 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-a11y-announcer": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-list-box": "^20.0.0-alpha0",
-    "@vaadin/vaadin-item": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-overlay": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-item": "^20.0.0-alpha1",
+    "@vaadin/vaadin-list-box": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-overlay": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-avatar/src/vaadin-avatar-group.js b/packages/vaadin-avatar/src/vaadin-avatar-group.js
index f36abd76e28..0f8ccc00f63 100644
--- a/packages/vaadin-avatar/src/vaadin-avatar-group.js
+++ b/packages/vaadin-avatar/src/vaadin-avatar-group.js
@@ -156,7 +156,7 @@ class AvatarGroupElement extends ElementMixin(ThemableMixin(mixinBehaviors([Iron
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-avatar/src/vaadin-avatar.js b/packages/vaadin-avatar/src/vaadin-avatar.js
index f3166d560d9..55e6c232d94 100644
--- a/packages/vaadin-avatar/src/vaadin-avatar.js
+++ b/packages/vaadin-avatar/src/vaadin-avatar.js
@@ -147,7 +147,7 @@ class AvatarElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-board/package.json b/packages/vaadin-board/package.json
index e24912b85bd..3e014ad2250 100644
--- a/packages/vaadin-board/package.json
+++ b/packages/vaadin-board/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-board",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Polymer element to create flexible responsive layouts and build nice looking dashboard.",
   "main": "vaadin-board.js",
   "module": "vaadin-board.js",
@@ -31,10 +31,10 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
-    "@vaadin/vaadin-license-checker": "^2.1.0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-license-checker": "^2.1.0"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-board/src/vaadin-board.js b/packages/vaadin-board/src/vaadin-board.js
index 06d584e9da6..a2ce3a2a34f 100644
--- a/packages/vaadin-board/src/vaadin-board.js
+++ b/packages/vaadin-board/src/vaadin-board.js
@@ -49,7 +49,7 @@ class BoardElement extends ElementMixin(mixinBehaviors([IronResizableBehavior],
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   /**
diff --git a/packages/vaadin-button/package.json b/packages/vaadin-button/package.json
index 10fcaf893d9..06a8905251d 100644
--- a/packages/vaadin-button/package.json
+++ b/packages/vaadin-button/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-button",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-button",
   "main": "vaadin-button.js",
   "module": "vaadin-button.js",
@@ -29,11 +29,11 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-button/src/vaadin-button.js b/packages/vaadin-button/src/vaadin-button.js
index 2700f410411..5d69038df71 100644
--- a/packages/vaadin-button/src/vaadin-button.js
+++ b/packages/vaadin-button/src/vaadin-button.js
@@ -128,7 +128,7 @@ class ButtonElement extends ElementMixin(ControlStateMixin(ThemableMixin(Gesture
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   ready() {
diff --git a/packages/vaadin-charts/package.json b/packages/vaadin-charts/package.json
index cd4cfe6dc6f..d3690e2c93c 100644
--- a/packages/vaadin-charts/package.json
+++ b/packages/vaadin-charts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-charts",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-charts",
   "main": "vaadin-chart.js",
   "module": "vaadin-chart.js",
@@ -28,11 +28,11 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "highcharts": "8.1.2",
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
     "@vaadin/vaadin-license-checker": "^2.1.0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1",
+    "highcharts": "8.1.2"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-charts/src/vaadin-chart.js b/packages/vaadin-charts/src/vaadin-chart.js
index 0816442cab2..13c6f6b735c 100644
--- a/packages/vaadin-charts/src/vaadin-chart.js
+++ b/packages/vaadin-charts/src/vaadin-chart.js
@@ -258,7 +258,7 @@ class ChartElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   /** @private */
diff --git a/packages/vaadin-checkbox/package.json b/packages/vaadin-checkbox/package.json
index ab616f0d3ff..f3346f08824 100644
--- a/packages/vaadin-checkbox/package.json
+++ b/packages/vaadin-checkbox/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-checkbox",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-checkbox",
   "main": "vaadin-checkbox.js",
   "module": "vaadin-checkbox.js",
@@ -29,11 +29,11 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-checkbox/src/vaadin-checkbox.js b/packages/vaadin-checkbox/src/vaadin-checkbox.js
index 741bfd8cdfd..732213efac9 100644
--- a/packages/vaadin-checkbox/src/vaadin-checkbox.js
+++ b/packages/vaadin-checkbox/src/vaadin-checkbox.js
@@ -116,7 +116,7 @@ class CheckboxElement extends ElementMixin(ControlStateMixin(ThemableMixin(Gestu
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-combo-box/package.json b/packages/vaadin-combo-box/package.json
index bbddf21250e..c5f71049165 100644
--- a/packages/vaadin-combo-box/package.json
+++ b/packages/vaadin-combo-box/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-combo-box",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Web Component for displaying a list of items with filtering",
   "main": "vaadin-combo-box.js",
   "repository": "vaadin/vaadin-combo-box",
@@ -31,14 +31,14 @@
     "@polymer/iron-list": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-overlay": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-item": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-item": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-overlay": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "4.3.0",
@@ -48,7 +48,7 @@
     "@polymer/iron-input": "^3.0.1",
     "@polymer/iron-test-helpers": "^3.0.0",
     "@polymer/paper-input": "^3.0.0",
-    "@vaadin/vaadin-dialog": "^20.0.0-alpha0",
+    "@vaadin/vaadin-dialog": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-combo-box/src/vaadin-combo-box.js b/packages/vaadin-combo-box/src/vaadin-combo-box.js
index 1577df6882b..4fcf27a324d 100644
--- a/packages/vaadin-combo-box/src/vaadin-combo-box.js
+++ b/packages/vaadin-combo-box/src/vaadin-combo-box.js
@@ -260,7 +260,7 @@ class ComboBoxElement extends ElementMixin(
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-confirm-dialog/package.json b/packages/vaadin-confirm-dialog/package.json
index 6b4e8c90c4f..6971b6bb4c6 100644
--- a/packages/vaadin-confirm-dialog/package.json
+++ b/packages/vaadin-confirm-dialog/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-confirm-dialog",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-confirm-dialog",
   "main": "vaadin-confirm-dialog.js",
   "module": "vaadin-confirm-dialog.js",
@@ -29,14 +29,14 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-dialog": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
     "@vaadin/vaadin-license-checker": "^2.1.0",
-    "@vaadin/vaadin-dialog": "^20.0.0-alpha0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-overlay": "^20.0.0-alpha0"
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-overlay": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
@@ -44,7 +44,7 @@
     "@open-wc/testing-helpers": "^1.8.12",
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/iron-test-helpers": "^3.0.0",
-    "@vaadin/vaadin-icons": "^20.0.0-alpha0",
+    "@vaadin/vaadin-icons": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-confirm-dialog/src/vaadin-confirm-dialog.js b/packages/vaadin-confirm-dialog/src/vaadin-confirm-dialog.js
index bce59ce3315..c8436fc503f 100644
--- a/packages/vaadin-confirm-dialog/src/vaadin-confirm-dialog.js
+++ b/packages/vaadin-confirm-dialog/src/vaadin-confirm-dialog.js
@@ -130,7 +130,7 @@ class ConfirmDialogElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-context-menu/package.json b/packages/vaadin-context-menu/package.json
index 0dd8ca71670..b534c4ac83b 100644
--- a/packages/vaadin-context-menu/package.json
+++ b/packages/vaadin-context-menu/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-context-menu",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Web Component for showing context dependent items for any element on the page",
   "main": "vaadin-context-menu.js",
   "module": "vaadin-context-menu.js",
@@ -28,15 +28,15 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-media-query": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-overlay": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-item": "^20.0.0-alpha0",
-    "@vaadin/vaadin-list-box": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-item": "^20.0.0-alpha1",
+    "@vaadin/vaadin-list-box": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-overlay": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-context-menu/src/vaadin-context-menu.js b/packages/vaadin-context-menu/src/vaadin-context-menu.js
index cece3cf1a8f..50a7babc87f 100644
--- a/packages/vaadin-context-menu/src/vaadin-context-menu.js
+++ b/packages/vaadin-context-menu/src/vaadin-context-menu.js
@@ -268,7 +268,7 @@ class ContextMenuElement extends ElementMixin(ThemePropertyMixin(ItemsMixin(Gest
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-control-state-mixin/package.json b/packages/vaadin-control-state-mixin/package.json
index 5273b979497..ec722c62bb8 100644
--- a/packages/vaadin-control-state-mixin/package.json
+++ b/packages/vaadin-control-state-mixin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-control-state-mixin",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-control-state-mixin",
   "main": "vaadin-control-state-mixin.js",
   "module": "vaadin-control-state-mixin.js",
diff --git a/packages/vaadin-cookie-consent/package.json b/packages/vaadin-cookie-consent/package.json
index fee12ffb330..e0e291b8ccc 100644
--- a/packages/vaadin-cookie-consent/package.json
+++ b/packages/vaadin-cookie-consent/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-cookie-consent",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-cookie-consent",
   "main": "vaadin-cookie-consent.js",
   "module": "vaadin-cookie-consent.js",
@@ -29,10 +29,10 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
     "@vaadin/vaadin-license-checker": "^2.1.0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
     "cookieconsent": "^3.0.6"
   },
   "devDependencies": {
diff --git a/packages/vaadin-cookie-consent/src/vaadin-cookie-consent.js b/packages/vaadin-cookie-consent/src/vaadin-cookie-consent.js
index 4672f50ad1f..6214fdb2b1b 100644
--- a/packages/vaadin-cookie-consent/src/vaadin-cookie-consent.js
+++ b/packages/vaadin-cookie-consent/src/vaadin-cookie-consent.js
@@ -53,7 +53,7 @@ class CookieConsentElement extends ElementMixin(PolymerElement) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-crud/package.json b/packages/vaadin-crud/package.json
index 53ab89f8439..a3e03974f6f 100644
--- a/packages/vaadin-crud/package.json
+++ b/packages/vaadin-crud/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-crud",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-crud",
   "main": "vaadin-crud.js",
   "module": "vaadin-crud.js",
@@ -28,19 +28,19 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-media-query": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-dialog": "^20.0.0-alpha0",
-    "@vaadin/vaadin-grid": "^20.0.0-alpha0",
-    "@vaadin/vaadin-form-layout": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-confirm-dialog": "^20.0.0-alpha0",
-    "@vaadin/vaadin-license-checker": "^2.1.0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-confirm-dialog": "^20.0.0-alpha1",
+    "@vaadin/vaadin-dialog": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-form-layout": "^20.0.0-alpha1",
+    "@vaadin/vaadin-grid": "^20.0.0-alpha1",
+    "@vaadin/vaadin-license-checker": "^2.1.0",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-crud/src/vaadin-crud.js b/packages/vaadin-crud/src/vaadin-crud.js
index fb8d5c285a8..ecd9cc55f27 100644
--- a/packages/vaadin-crud/src/vaadin-crud.js
+++ b/packages/vaadin-crud/src/vaadin-crud.js
@@ -256,7 +256,7 @@ class CrudElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-custom-field/package.json b/packages/vaadin-custom-field/package.json
index 8b91502a8fa..8c3f00024cc 100644
--- a/packages/vaadin-custom-field/package.json
+++ b/packages/vaadin-custom-field/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-custom-field",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-custom-field",
   "main": "vaadin-custom-field.js",
   "module": "vaadin-custom-field.js",
@@ -29,10 +29,10 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
@@ -40,12 +40,12 @@
     "@open-wc/testing-helpers": "^1.8.0",
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/iron-test-helpers": "^3.0.0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-time-picker": "^20.0.0-alpha0",
-    "@vaadin/vaadin-date-picker": "^20.0.0-alpha0",
-    "@vaadin/vaadin-form-layout": "^20.0.0-alpha0",
-    "@vaadin/vaadin-select": "^20.0.0-alpha0",
-    "@vaadin/vaadin-list-box": "^20.0.0-alpha0",
+    "@vaadin/vaadin-date-picker": "^20.0.0-alpha1",
+    "@vaadin/vaadin-form-layout": "^20.0.0-alpha1",
+    "@vaadin/vaadin-list-box": "^20.0.0-alpha1",
+    "@vaadin/vaadin-select": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-time-picker": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-custom-field/src/vaadin-custom-field.js b/packages/vaadin-custom-field/src/vaadin-custom-field.js
index 1dbd9db249b..9e58f8797a6 100644
--- a/packages/vaadin-custom-field/src/vaadin-custom-field.js
+++ b/packages/vaadin-custom-field/src/vaadin-custom-field.js
@@ -107,7 +107,7 @@ class CustomFieldElement extends ElementMixin(CustomFieldMixin(ThemableMixin(Pol
     return 'vaadin-custom-field';
   }
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-date-picker/package.json b/packages/vaadin-date-picker/package.json
index 943a55462ca..bbd435f34b5 100644
--- a/packages/vaadin-date-picker/package.json
+++ b/packages/vaadin-date-picker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-date-picker",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Web component providing a date selection field with scrollable month calendar",
   "main": "vaadin-date-picker.js",
   "module": "vaadin-date-picker.js",
@@ -32,14 +32,14 @@
     "@polymer/iron-media-query": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
     "@polymer/polymer": "^3.2.0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-overlay": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-overlay": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
@@ -47,7 +47,7 @@
     "@open-wc/testing-helpers": "^1.8.0",
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/iron-test-helpers": "^3.0.0",
-    "@vaadin/vaadin-dialog": "^20.0.0-alpha0",
+    "@vaadin/vaadin-dialog": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-date-picker/src/vaadin-date-picker.js b/packages/vaadin-date-picker/src/vaadin-date-picker.js
index b0ee593bd7c..c9f7aa75ea9 100644
--- a/packages/vaadin-date-picker/src/vaadin-date-picker.js
+++ b/packages/vaadin-date-picker/src/vaadin-date-picker.js
@@ -192,7 +192,7 @@ class DatePickerElement extends ElementMixin(
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-date-time-picker/package.json b/packages/vaadin-date-time-picker/package.json
index f02cb9f0d83..20dafd26b27 100644
--- a/packages/vaadin-date-time-picker/package.json
+++ b/packages/vaadin-date-time-picker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-date-time-picker",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-date-time-picker",
   "main": "vaadin-date-time-picker.js",
   "module": "vaadin-date-time-picker.js",
@@ -29,13 +29,13 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-date-picker": "^20.0.0-alpha0",
-    "@vaadin/vaadin-time-picker": "^20.0.0-alpha0",
-    "@vaadin/vaadin-custom-field": "^20.0.0-alpha0"
+    "@vaadin/vaadin-custom-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-date-picker": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-time-picker": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-date-time-picker/src/vaadin-date-time-picker.js b/packages/vaadin-date-time-picker/src/vaadin-date-time-picker.js
index f1be6e054a8..ed5ed630d3a 100644
--- a/packages/vaadin-date-time-picker/src/vaadin-date-time-picker.js
+++ b/packages/vaadin-date-time-picker/src/vaadin-date-time-picker.js
@@ -152,7 +152,7 @@ class DateTimePickerElement extends ElementMixin(ThemableMixin(PolymerElement))
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-details/package.json b/packages/vaadin-details/package.json
index f65905966c2..001a18a62ef 100644
--- a/packages/vaadin-details/package.json
+++ b/packages/vaadin-details/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-details",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-details",
   "main": "vaadin-details.js",
   "module": "vaadin-details.js",
@@ -29,11 +29,11 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0"
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-details/src/vaadin-details.js b/packages/vaadin-details/src/vaadin-details.js
index 3518650d1ff..9ee5246b678 100644
--- a/packages/vaadin-details/src/vaadin-details.js
+++ b/packages/vaadin-details/src/vaadin-details.js
@@ -98,7 +98,7 @@ class DetailsElement extends ControlStateMixin(ElementMixin(ThemableMixin(Polyme
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-dialog/package.json b/packages/vaadin-dialog/package.json
index f14f4df8848..ac7deb08c6b 100644
--- a/packages/vaadin-dialog/package.json
+++ b/packages/vaadin-dialog/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-dialog",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-dialog",
   "main": "vaadin-dialog.js",
   "module": "vaadin-dialog.js",
@@ -28,13 +28,13 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
-    "@vaadin/vaadin-overlay": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-overlay": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
@@ -42,7 +42,7 @@
     "@open-wc/testing-helpers": "^1.8.12",
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/iron-test-helpers": "^3.0.0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-dialog/src/vaadin-dialog.js b/packages/vaadin-dialog/src/vaadin-dialog.js
index df9a989b739..4e40dfe1d6f 100644
--- a/packages/vaadin-dialog/src/vaadin-dialog.js
+++ b/packages/vaadin-dialog/src/vaadin-dialog.js
@@ -219,7 +219,7 @@ class DialogElement extends ThemePropertyMixin(
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-element-mixin/package.json b/packages/vaadin-element-mixin/package.json
index 9ce62c3583c..e70476cce09 100644
--- a/packages/vaadin-element-mixin/package.json
+++ b/packages/vaadin-element-mixin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-element-mixin",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-element-mixin",
   "main": "vaadin-element-mixin.js",
   "module": "vaadin-element-mixin.js",
@@ -24,8 +24,8 @@
   ],
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-usage-statistics": "^2.1.0",
-    "@vaadin/vaadin-development-mode-detector": "^2.0.0"
+    "@vaadin/vaadin-development-mode-detector": "^2.0.0",
+    "@vaadin/vaadin-usage-statistics": "^2.1.0"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-form-layout/package.json b/packages/vaadin-form-layout/package.json
index f452da4c7a1..f747908dd6b 100644
--- a/packages/vaadin-form-layout/package.json
+++ b/packages/vaadin-form-layout/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-form-layout",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Web component providing configurable responsive layout for form elements",
   "main": "vaadin-form-layout.js",
   "module": "vaadin-form-layout.js",
@@ -30,18 +30,18 @@
   "dependencies": {
     "@polymer/iron-resizable-behavior": "^3.0.0",
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
     "@open-wc/rollup-plugin-html": "^1.2.5",
     "@open-wc/testing-helpers": "^1.8.12",
     "@polymer/iron-component-page": "^4.0.0",
-    "@vaadin/vaadin-ordered-layout": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
+    "@vaadin/vaadin-ordered-layout": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-form-layout/src/vaadin-form-layout.js b/packages/vaadin-form-layout/src/vaadin-form-layout.js
index e5bc4ea6030..dc228a9626b 100644
--- a/packages/vaadin-form-layout/src/vaadin-form-layout.js
+++ b/packages/vaadin-form-layout/src/vaadin-form-layout.js
@@ -161,7 +161,7 @@ class FormLayoutElement extends ElementMixin(ThemableMixin(mixinBehaviors([IronR
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-grid-pro/package.json b/packages/vaadin-grid-pro/package.json
index b452167a6ae..0621d6c7be7 100644
--- a/packages/vaadin-grid-pro/package.json
+++ b/packages/vaadin-grid-pro/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-grid-pro",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-grid-pro",
   "main": "vaadin-grid-pro.js",
   "module": "vaadin-grid-pro.js",
@@ -29,17 +29,17 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
+    "@vaadin/vaadin-checkbox": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-grid": "^20.0.0-alpha1",
+    "@vaadin/vaadin-item": "^20.0.0-alpha1",
     "@vaadin/vaadin-license-checker": "^2.1.0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-select": "^20.0.0-alpha0",
-    "@vaadin/vaadin-list-box": "^20.0.0-alpha0",
-    "@vaadin/vaadin-item": "^20.0.0-alpha0",
-    "@vaadin/vaadin-grid": "^20.0.0-alpha0",
-    "@vaadin/vaadin-checkbox": "^20.0.0-alpha0"
+    "@vaadin/vaadin-list-box": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-select": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
@@ -47,8 +47,8 @@
     "@open-wc/testing-helpers": "^1.8.12",
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/iron-test-helpers": "^3.0.0",
-    "@vaadin/vaadin-date-picker": "^20.0.0-alpha0",
-    "@vaadin/vaadin-dialog": "^20.0.0-alpha0",
+    "@vaadin/vaadin-date-picker": "^20.0.0-alpha1",
+    "@vaadin/vaadin-dialog": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-grid-pro/src/vaadin-grid-pro.js b/packages/vaadin-grid-pro/src/vaadin-grid-pro.js
index 3fae6e827f5..81df9cb113b 100644
--- a/packages/vaadin-grid-pro/src/vaadin-grid-pro.js
+++ b/packages/vaadin-grid-pro/src/vaadin-grid-pro.js
@@ -42,7 +42,7 @@ class GridProElement extends InlineEditingMixin(GridElement) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   /**
diff --git a/packages/vaadin-grid/package.json b/packages/vaadin-grid/package.json
index fbd2bb41f0c..9ef6649948f 100644
--- a/packages/vaadin-grid/package.json
+++ b/packages/vaadin-grid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-grid",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "A free, flexible and high-quality Web Component for showing large amounts of tabular data",
   "main": "vaadin-grid.js",
   "module": "vaadin-grid.js",
@@ -34,15 +34,15 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
     "@polymer/iron-scroll-target-behavior": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-checkbox": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-checkbox": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-grid/src/vaadin-grid.js b/packages/vaadin-grid/src/vaadin-grid.js
index ab577650503..d24437e12d0 100644
--- a/packages/vaadin-grid/src/vaadin-grid.js
+++ b/packages/vaadin-grid/src/vaadin-grid.js
@@ -339,7 +339,7 @@ class GridElement extends ElementMixin(
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get observers() {
diff --git a/packages/vaadin-icons/package.json b/packages/vaadin-icons/package.json
index ff813b54563..116749bc9d7 100644
--- a/packages/vaadin-icons/package.json
+++ b/packages/vaadin-icons/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-icons",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Collection of 600+ unique icons designed for web applications",
   "main": "vaadin-icons.js",
   "module": "vaadin-icons.js",
@@ -23,11 +23,10 @@
     "vaadin-icons.js"
   ],
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-icon": "^3.0.0",
-    "@polymer/iron-iconset-svg": "^3.0.0"
+    "@polymer/iron-iconset-svg": "^3.0.0",
+    "@polymer/polymer": "^3.0.0"
   },
-  "devDependencies": {},
   "publishConfig": {
     "access": "public"
   }
diff --git a/packages/vaadin-item/package.json b/packages/vaadin-item/package.json
index 96843d5d1aa..426eb99a779 100644
--- a/packages/vaadin-item/package.json
+++ b/packages/vaadin-item/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-item",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-item",
   "main": "vaadin-item.js",
   "module": "vaadin-item.js",
@@ -29,10 +29,10 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-item/src/vaadin-item.js b/packages/vaadin-item/src/vaadin-item.js
index ed3dc6feddb..1a9dcac6ba2 100644
--- a/packages/vaadin-item/src/vaadin-item.js
+++ b/packages/vaadin-item/src/vaadin-item.js
@@ -71,7 +71,7 @@ class ItemElement extends ItemMixin(ThemableMixin(DirMixin(PolymerElement))) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   constructor() {
diff --git a/packages/vaadin-list-box/package.json b/packages/vaadin-list-box/package.json
index a508bd71b38..36d092532fa 100644
--- a/packages/vaadin-list-box/package.json
+++ b/packages/vaadin-list-box/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-list-box",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-list-box",
   "main": "vaadin-list-box.js",
   "module": "vaadin-list-box.js",
@@ -29,12 +29,12 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-item": "^20.0.0-alpha0",
-    "@vaadin/vaadin-list-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-item": "^20.0.0-alpha1",
+    "@vaadin/vaadin-list-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-list-box/src/vaadin-list-box.js b/packages/vaadin-list-box/src/vaadin-list-box.js
index f47173592ac..144359bdb5e 100644
--- a/packages/vaadin-list-box/src/vaadin-list-box.js
+++ b/packages/vaadin-list-box/src/vaadin-list-box.js
@@ -69,7 +69,7 @@ class ListBoxElement extends ElementMixin(MultiSelectListMixin(ThemableMixin(Pol
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-list-mixin/package.json b/packages/vaadin-list-mixin/package.json
index 38e2c63f91e..dfe64593427 100644
--- a/packages/vaadin-list-mixin/package.json
+++ b/packages/vaadin-list-mixin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-list-mixin",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-list-mixin",
   "main": "vaadin-list-mixin.js",
   "module": "vaadin-list-mixin.js",
@@ -24,7 +24,7 @@
   ],
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-login/package.json b/packages/vaadin-login/package.json
index b92cd3907ca..3dbde56190c 100644
--- a/packages/vaadin-login/package.json
+++ b/packages/vaadin-login/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-login",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-login",
   "main": "vaadin-login-overlay.js",
   "module": "vaadin-login-overlay.js",
@@ -29,13 +29,13 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-overlay": "^20.0.0-alpha0"
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-overlay": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-login/src/vaadin-login-form.js b/packages/vaadin-login/src/vaadin-login-form.js
index 41e60de2769..9b477aaf5ac 100644
--- a/packages/vaadin-login/src/vaadin-login-form.js
+++ b/packages/vaadin-login/src/vaadin-login-form.js
@@ -93,7 +93,7 @@ class LoginFormElement extends LoginMixin(ElementMixin(ThemableMixin(PolymerElem
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   /** @protected */
diff --git a/packages/vaadin-lumo-styles/package.json b/packages/vaadin-lumo-styles/package.json
index 3e70c2b1cba..1f4e96ebf6e 100644
--- a/packages/vaadin-lumo-styles/package.json
+++ b/packages/vaadin-lumo-styles/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-lumo-styles",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Lumo is a design system foundation for modern web applications, used by Vaadin components",
   "main": "all-imports.js",
   "module": "all-imports.js",
@@ -27,12 +27,11 @@
     "presets/*.js"
   ],
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-icon": "^3.0.0",
     "@polymer/iron-iconset-svg": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
-  "devDependencies": {},
   "publishConfig": {
     "access": "public"
   }
diff --git a/packages/vaadin-lumo-styles/version.js b/packages/vaadin-lumo-styles/version.js
index e7ff7f2c4cb..872e7d5b3c2 100644
--- a/packages/vaadin-lumo-styles/version.js
+++ b/packages/vaadin-lumo-styles/version.js
@@ -5,7 +5,7 @@
  */
 class Lumo extends HTMLElement {
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-material-styles/package.json b/packages/vaadin-material-styles/package.json
index 667c1c5b5c8..c4f0be94061 100644
--- a/packages/vaadin-material-styles/package.json
+++ b/packages/vaadin-material-styles/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-material-styles",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Vaadin Material is a complete theme for Vaadin components, inspired by Google’s Material Design guidelines.",
   "main": "all-imports.js",
   "module": "all-imports.js",
@@ -28,9 +28,8 @@
   ],
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
-  "devDependencies": {},
   "publishConfig": {
     "access": "public"
   }
diff --git a/packages/vaadin-material-styles/version.js b/packages/vaadin-material-styles/version.js
index 2ab018e090b..a7cf472ca1a 100644
--- a/packages/vaadin-material-styles/version.js
+++ b/packages/vaadin-material-styles/version.js
@@ -5,7 +5,7 @@
  */
 class Material extends HTMLElement {
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-menu-bar/package.json b/packages/vaadin-menu-bar/package.json
index cc2eda3e6e5..7a8badce19f 100644
--- a/packages/vaadin-menu-bar/package.json
+++ b/packages/vaadin-menu-bar/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-menu-bar",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-menu-bar",
   "main": "vaadin-menu-bar.js",
   "module": "vaadin-menu-bar.js",
@@ -28,14 +28,14 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-context-menu": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-context-menu": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
@@ -43,7 +43,7 @@
     "@open-wc/testing-helpers": "^1.8.12",
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/iron-test-helpers": "^3.0.0",
-    "@vaadin/vaadin-icons": "^20.0.0-alpha0",
+    "@vaadin/vaadin-icons": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-menu-bar/src/vaadin-menu-bar.js b/packages/vaadin-menu-bar/src/vaadin-menu-bar.js
index 7749c226509..41a17f348d2 100644
--- a/packages/vaadin-menu-bar/src/vaadin-menu-bar.js
+++ b/packages/vaadin-menu-bar/src/vaadin-menu-bar.js
@@ -98,7 +98,7 @@ class MenuBarElement extends ButtonsMixin(InteractionsMixin(ElementMixin(Themabl
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-messages/package.json b/packages/vaadin-messages/package.json
index f2a8da3d6a2..f3031bd473d 100644
--- a/packages/vaadin-messages/package.json
+++ b/packages/vaadin-messages/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-messages",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-messages",
   "main": "vaadin-message.js",
   "module": "vaadin-message.js",
@@ -31,13 +31,13 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-avatar": "^20.0.0-alpha0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-avatar": "^20.0.0-alpha1",
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-messages/src/vaadin-message-avatar.js b/packages/vaadin-messages/src/vaadin-message-avatar.js
index ec30f628f5d..f6060709bdd 100644
--- a/packages/vaadin-messages/src/vaadin-message-avatar.js
+++ b/packages/vaadin-messages/src/vaadin-message-avatar.js
@@ -35,7 +35,7 @@ class MessageAvatarElement extends AvatarElement {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-messages/src/vaadin-message-input-button.js b/packages/vaadin-messages/src/vaadin-message-input-button.js
index 5ead00fc8a9..222afd12837 100644
--- a/packages/vaadin-messages/src/vaadin-message-input-button.js
+++ b/packages/vaadin-messages/src/vaadin-message-input-button.js
@@ -35,7 +35,7 @@ class MessageInputButtonElement extends ButtonElement {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-messages/src/vaadin-message-input-text-area.js b/packages/vaadin-messages/src/vaadin-message-input-text-area.js
index d06f2d057e4..a28bcdf213a 100644
--- a/packages/vaadin-messages/src/vaadin-message-input-text-area.js
+++ b/packages/vaadin-messages/src/vaadin-message-input-text-area.js
@@ -36,7 +36,7 @@ class MessageInputTextAreaElement extends TextAreaElement {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-messages/src/vaadin-message-input.js b/packages/vaadin-messages/src/vaadin-message-input.js
index beec29bbdac..f98cee834ca 100644
--- a/packages/vaadin-messages/src/vaadin-message-input.js
+++ b/packages/vaadin-messages/src/vaadin-message-input.js
@@ -104,7 +104,7 @@ class MessageInputElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   /**
diff --git a/packages/vaadin-messages/src/vaadin-message-list.js b/packages/vaadin-messages/src/vaadin-message-list.js
index 0d8656fdfb0..f207738a6a7 100644
--- a/packages/vaadin-messages/src/vaadin-message-list.js
+++ b/packages/vaadin-messages/src/vaadin-message-list.js
@@ -208,7 +208,7 @@ class MessageListElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-messages/src/vaadin-message.js b/packages/vaadin-messages/src/vaadin-message.js
index b287bf4b48e..de0be9ae9d0 100644
--- a/packages/vaadin-messages/src/vaadin-message.js
+++ b/packages/vaadin-messages/src/vaadin-message.js
@@ -157,7 +157,7 @@ class MessageElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   ready() {
diff --git a/packages/vaadin-notification/package.json b/packages/vaadin-notification/package.json
index 119bdced97f..73115d695e1 100644
--- a/packages/vaadin-notification/package.json
+++ b/packages/vaadin-notification/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-notification",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-notification",
   "main": "vaadin-notification.js",
   "module": "vaadin-notification.js",
@@ -29,17 +29,17 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
     "@open-wc/rollup-plugin-html": "^1.2.5",
     "@open-wc/testing-helpers": "^1.8.12",
     "@polymer/iron-component-page": "^4.0.0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-notification/src/vaadin-notification.js b/packages/vaadin-notification/src/vaadin-notification.js
index 73dfa4fe4fd..1569a70ce81 100644
--- a/packages/vaadin-notification/src/vaadin-notification.js
+++ b/packages/vaadin-notification/src/vaadin-notification.js
@@ -272,7 +272,7 @@ class NotificationElement extends ThemePropertyMixin(ElementMixin(PolymerElement
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-ordered-layout/package.json b/packages/vaadin-ordered-layout/package.json
index 9f2f676edf8..35344338a5a 100644
--- a/packages/vaadin-ordered-layout/package.json
+++ b/packages/vaadin-ordered-layout/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-ordered-layout",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-ordered-layout",
   "main": "imports.js",
   "module": "imports.js",
@@ -31,10 +31,10 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-ordered-layout/src/vaadin-horizontal-layout.js b/packages/vaadin-ordered-layout/src/vaadin-horizontal-layout.js
index 42a6a4c4e97..00269edeb00 100644
--- a/packages/vaadin-ordered-layout/src/vaadin-horizontal-layout.js
+++ b/packages/vaadin-ordered-layout/src/vaadin-horizontal-layout.js
@@ -84,7 +84,7 @@ class HorizontalLayoutElement extends ElementMixin(ThemableMixin(PolymerElement)
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-ordered-layout/src/vaadin-scroller.js b/packages/vaadin-ordered-layout/src/vaadin-scroller.js
index 53b6e56ed6e..8d0df42b4b5 100644
--- a/packages/vaadin-ordered-layout/src/vaadin-scroller.js
+++ b/packages/vaadin-ordered-layout/src/vaadin-scroller.js
@@ -68,7 +68,7 @@ class ScrollerElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-ordered-layout/src/vaadin-vertical-layout.js b/packages/vaadin-ordered-layout/src/vaadin-vertical-layout.js
index 44218537d1a..7f5ad786eeb 100644
--- a/packages/vaadin-ordered-layout/src/vaadin-vertical-layout.js
+++ b/packages/vaadin-ordered-layout/src/vaadin-vertical-layout.js
@@ -75,7 +75,7 @@ class VerticalLayoutElement extends ElementMixin(ThemableMixin(PolymerElement))
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-overlay/package.json b/packages/vaadin-overlay/package.json
index 53014a6d11f..81fb8df17d7 100644
--- a/packages/vaadin-overlay/package.json
+++ b/packages/vaadin-overlay/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-overlay",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-overlay",
   "main": "vaadin-overlay.js",
   "module": "vaadin-overlay.js",
@@ -30,10 +30,10 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
@@ -42,9 +42,9 @@
     "@polymer/iron-component-page": "^4.0.0",
     "@polymer/iron-overlay-behavior": "^3.0.0",
     "@polymer/iron-test-helpers": "^3.0.0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-radio-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-radio-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
     "rimraf": "^3.0.2",
     "rollup": "^2.34.1",
     "rollup-plugin-terser": "^7.0.2",
diff --git a/packages/vaadin-progress-bar/package.json b/packages/vaadin-progress-bar/package.json
index c584f49218c..6f795e7ec69 100644
--- a/packages/vaadin-progress-bar/package.json
+++ b/packages/vaadin-progress-bar/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-progress-bar",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-progress-bar",
   "main": "vaadin-progress-bar.js",
   "module": "vaadin-progress-bar.js",
@@ -30,10 +30,10 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-progress-bar/src/vaadin-progress-bar.js b/packages/vaadin-progress-bar/src/vaadin-progress-bar.js
index 59ad385a019..0a149b527c6 100644
--- a/packages/vaadin-progress-bar/src/vaadin-progress-bar.js
+++ b/packages/vaadin-progress-bar/src/vaadin-progress-bar.js
@@ -86,7 +86,7 @@ class ProgressBarElement extends ElementMixin(ThemableMixin(ProgressMixin(Polyme
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 }
 
diff --git a/packages/vaadin-radio-button/package.json b/packages/vaadin-radio-button/package.json
index 90c0266ef7a..a775933ae09 100644
--- a/packages/vaadin-radio-button/package.json
+++ b/packages/vaadin-radio-button/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-radio-button",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-radio-button",
   "main": "vaadin-radio-button.js",
   "module": "vaadin-radio-button.js",
@@ -30,11 +30,11 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-radio-button/src/vaadin-radio-button.js b/packages/vaadin-radio-button/src/vaadin-radio-button.js
index 43a3470530b..ecc614f3963 100644
--- a/packages/vaadin-radio-button/src/vaadin-radio-button.js
+++ b/packages/vaadin-radio-button/src/vaadin-radio-button.js
@@ -108,7 +108,7 @@ class RadioButtonElement extends ElementMixin(ControlStateMixin(ThemableMixin(Ge
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-rich-text-editor/package.json b/packages/vaadin-rich-text-editor/package.json
index aa952775a78..40cf4020ceb 100644
--- a/packages/vaadin-rich-text-editor/package.json
+++ b/packages/vaadin-rich-text-editor/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-rich-text-editor",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-rich-text-editor",
   "main": "vaadin-rich-text-editor.js",
   "module": "vaadin-rich-text-editor.js",
@@ -30,14 +30,14 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-confirm-dialog": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-confirm-dialog": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
     "@vaadin/vaadin-license-checker": "^2.1.0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0"
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-rich-text-editor/src/vaadin-rich-text-editor.js b/packages/vaadin-rich-text-editor/src/vaadin-rich-text-editor.js
index 3384c932686..2df5311b671 100644
--- a/packages/vaadin-rich-text-editor/src/vaadin-rich-text-editor.js
+++ b/packages/vaadin-rich-text-editor/src/vaadin-rich-text-editor.js
@@ -362,7 +362,7 @@ class RichTextEditorElement extends ElementMixin(ThemableMixin(PolymerElement))
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-select/package.json b/packages/vaadin-select/package.json
index c4aca547fbf..b8f0bf9b58a 100644
--- a/packages/vaadin-select/package.json
+++ b/packages/vaadin-select/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-select",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-select",
   "main": "vaadin-select.js",
   "module": "vaadin-select.js",
@@ -31,16 +31,16 @@
     "@polymer/iron-media-query": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
     "@polymer/polymer": "^3.2.0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-item": "^20.0.0-alpha0",
-    "@vaadin/vaadin-list-box": "^20.0.0-alpha0",
-    "@vaadin/vaadin-list-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-overlay": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-item": "^20.0.0-alpha1",
+    "@vaadin/vaadin-list-box": "^20.0.0-alpha1",
+    "@vaadin/vaadin-list-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-overlay": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-select/src/vaadin-select.js b/packages/vaadin-select/src/vaadin-select.js
index b9ffc0d3011..383d14debe1 100644
--- a/packages/vaadin-select/src/vaadin-select.js
+++ b/packages/vaadin-select/src/vaadin-select.js
@@ -190,7 +190,7 @@ class SelectElement extends ElementMixin(
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-split-layout/package.json b/packages/vaadin-split-layout/package.json
index d0a4b57af68..18524ffbd04 100644
--- a/packages/vaadin-split-layout/package.json
+++ b/packages/vaadin-split-layout/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-split-layout",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Web component for partitioning a layout into resizeable areas",
   "main": "vaadin-split-layout.js",
   "module": "vaadin-split-layout.js",
@@ -28,12 +28,12 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-split-layout/src/vaadin-split-layout.js b/packages/vaadin-split-layout/src/vaadin-split-layout.js
index ad71a0ee332..b90fa1c7a00 100644
--- a/packages/vaadin-split-layout/src/vaadin-split-layout.js
+++ b/packages/vaadin-split-layout/src/vaadin-split-layout.js
@@ -225,7 +225,7 @@ class SplitLayoutElement extends ElementMixin(
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-tabs/package.json b/packages/vaadin-tabs/package.json
index 0ee63fb5a14..3ce1fcfaa34 100644
--- a/packages/vaadin-tabs/package.json
+++ b/packages/vaadin-tabs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-tabs",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-tabs",
   "main": "vaadin-tabs.js",
   "module": "vaadin-tabs.js",
@@ -28,14 +28,14 @@
     "dist": "rimraf dist && polymer analyze vaadin-* > analysis.json && rollup -c rollup.config.js && cp analysis.json dist"
   },
   "dependencies": {
-    "@polymer/polymer": "^3.0.0",
     "@polymer/iron-resizable-behavior": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-list-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-item": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@polymer/polymer": "^3.0.0",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-item": "^20.0.0-alpha1",
+    "@vaadin/vaadin-list-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-tabs/src/vaadin-tab.js b/packages/vaadin-tabs/src/vaadin-tab.js
index e70aae922dd..d5c5cd947b5 100644
--- a/packages/vaadin-tabs/src/vaadin-tab.js
+++ b/packages/vaadin-tabs/src/vaadin-tab.js
@@ -45,7 +45,7 @@ class TabElement extends ElementMixin(ThemableMixin(ItemMixin(PolymerElement)))
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   ready() {
diff --git a/packages/vaadin-tabs/src/vaadin-tabs.js b/packages/vaadin-tabs/src/vaadin-tabs.js
index fd0b1b393dc..22643b42a9e 100644
--- a/packages/vaadin-tabs/src/vaadin-tabs.js
+++ b/packages/vaadin-tabs/src/vaadin-tabs.js
@@ -148,7 +148,7 @@ class TabsElement extends ElementMixin(
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-text-field/package.json b/packages/vaadin-text-field/package.json
index 26d7319ad1a..7769109fbef 100644
--- a/packages/vaadin-text-field/package.json
+++ b/packages/vaadin-text-field/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-text-field",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-text-field",
   "main": "vaadin-text-field.js",
   "module": "vaadin-text-field.js",
@@ -29,11 +29,11 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-text-field/src/vaadin-email-field.js b/packages/vaadin-text-field/src/vaadin-email-field.js
index 78de5756375..d6454a2f468 100644
--- a/packages/vaadin-text-field/src/vaadin-email-field.js
+++ b/packages/vaadin-text-field/src/vaadin-email-field.js
@@ -53,7 +53,7 @@ class EmailFieldElement extends TextFieldElement {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   /** @protected */
diff --git a/packages/vaadin-text-field/src/vaadin-integer-field.js b/packages/vaadin-text-field/src/vaadin-integer-field.js
index bfc6684089c..33cbc3c3c57 100644
--- a/packages/vaadin-text-field/src/vaadin-integer-field.js
+++ b/packages/vaadin-text-field/src/vaadin-integer-field.js
@@ -26,7 +26,7 @@ class IntegerFieldElement extends NumberFieldElement {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-text-field/src/vaadin-number-field.js b/packages/vaadin-text-field/src/vaadin-number-field.js
index 8342f0c0fc1..6f38404867c 100644
--- a/packages/vaadin-text-field/src/vaadin-number-field.js
+++ b/packages/vaadin-text-field/src/vaadin-number-field.js
@@ -105,7 +105,7 @@ class NumberFieldElement extends TextFieldElement {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-text-field/src/vaadin-password-field.js b/packages/vaadin-text-field/src/vaadin-password-field.js
index 7b18c28da3c..be0348a3cc0 100644
--- a/packages/vaadin-text-field/src/vaadin-password-field.js
+++ b/packages/vaadin-text-field/src/vaadin-password-field.js
@@ -76,7 +76,7 @@ class PasswordFieldElement extends TextFieldElement {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-text-field/src/vaadin-text-area.js b/packages/vaadin-text-field/src/vaadin-text-area.js
index 7a4d9291831..06c4585d29a 100644
--- a/packages/vaadin-text-field/src/vaadin-text-area.js
+++ b/packages/vaadin-text-field/src/vaadin-text-area.js
@@ -143,7 +143,7 @@ class TextAreaElement extends ElementMixin(TextFieldMixin(ControlStateMixin(Them
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   /** @protected */
diff --git a/packages/vaadin-text-field/src/vaadin-text-field.js b/packages/vaadin-text-field/src/vaadin-text-field.js
index eacdc0d3b86..6031b477b06 100644
--- a/packages/vaadin-text-field/src/vaadin-text-field.js
+++ b/packages/vaadin-text-field/src/vaadin-text-field.js
@@ -115,7 +115,7 @@ class TextFieldElement extends ElementMixin(TextFieldMixin(ControlStateMixin(The
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-themable-mixin/package.json b/packages/vaadin-themable-mixin/package.json
index 13e20f4754e..f42f277babe 100644
--- a/packages/vaadin-themable-mixin/package.json
+++ b/packages/vaadin-themable-mixin/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-themable-mixin",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-themable-mixin",
   "main": "vaadin-themable-mixin.js",
   "module": "vaadin-themable-mixin.js",
@@ -23,8 +23,8 @@
     "register-styles.js"
   ],
   "dependencies": {
-    "lit-element": "^2.0.0",
-    "@polymer/polymer": "^3.0.0"
+    "@polymer/polymer": "^3.0.0",
+    "lit-element": "^2.0.0"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-time-picker/package.json b/packages/vaadin-time-picker/package.json
index 16f907df572..55e779290ea 100644
--- a/packages/vaadin-time-picker/package.json
+++ b/packages/vaadin-time-picker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-time-picker",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "vaadin-time-picker",
   "main": "vaadin-time-picker.js",
   "module": "vaadin-time-picker.js",
@@ -29,13 +29,13 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-text-field": "^20.0.0-alpha0",
-    "@vaadin/vaadin-combo-box": "^20.0.0-alpha0",
-    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-combo-box": "^20.0.0-alpha1",
+    "@vaadin/vaadin-control-state-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-text-field": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-time-picker/src/vaadin-time-picker.js b/packages/vaadin-time-picker/src/vaadin-time-picker.js
index d672c54e654..823095b7bf2 100644
--- a/packages/vaadin-time-picker/src/vaadin-time-picker.js
+++ b/packages/vaadin-time-picker/src/vaadin-time-picker.js
@@ -137,7 +137,7 @@ class TimePickerElement extends ElementMixin(ControlStateMixin(ThemableMixin(Pol
     return 'vaadin-time-picker';
   }
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {
diff --git a/packages/vaadin-upload/package.json b/packages/vaadin-upload/package.json
index eb9d109e792..a31d51eea93 100644
--- a/packages/vaadin-upload/package.json
+++ b/packages/vaadin-upload/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-upload",
-  "version": "20.0.0-alpha0",
+  "version": "20.0.0-alpha1",
   "description": "Web Component for uploading files with drag and drop support",
   "main": "vaadin-upload.js",
   "module": "vaadin-upload.js",
@@ -29,12 +29,12 @@
   },
   "dependencies": {
     "@polymer/polymer": "^3.0.0",
-    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha0",
-    "@vaadin/vaadin-button": "^20.0.0-alpha0",
-    "@vaadin/vaadin-progress-bar": "^20.0.0-alpha0",
-    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-material-styles": "^20.0.0-alpha0",
-    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha0"
+    "@vaadin/vaadin-button": "^20.0.0-alpha1",
+    "@vaadin/vaadin-element-mixin": "^20.0.0-alpha1",
+    "@vaadin/vaadin-lumo-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-material-styles": "^20.0.0-alpha1",
+    "@vaadin/vaadin-progress-bar": "^20.0.0-alpha1",
+    "@vaadin/vaadin-themable-mixin": "^20.0.0-alpha1"
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.1.5",
diff --git a/packages/vaadin-upload/src/vaadin-upload.js b/packages/vaadin-upload/src/vaadin-upload.js
index a363c6e5922..0527337b7f4 100644
--- a/packages/vaadin-upload/src/vaadin-upload.js
+++ b/packages/vaadin-upload/src/vaadin-upload.js
@@ -118,7 +118,7 @@ class UploadElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '20.0.0-alpha0';
+    return '20.0.0-alpha1';
   }
 
   static get properties() {