diff --git a/package.json b/package.json
index 69b1e45..dde16bc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jmap-jam",
-  "version": "0.3.4",
+  "version": "0.4.0",
   "type": "module",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",