diff --git a/bioimageio/core/VERSION b/bioimageio/core/VERSION
index 167d3d30..424d6096 100644
--- a/bioimageio/core/VERSION
+++ b/bioimageio/core/VERSION
@@ -1,3 +1,3 @@
 {
-    "version": "0.5.11"
+    "version": "0.6.0"
 }
diff --git a/setup.py b/setup.py
index f18a765b..cd612047 100644
--- a/setup.py
+++ b/setup.py
@@ -28,7 +28,7 @@
     ],
     packages=find_namespace_packages(exclude=["tests"]),
     install_requires=[
-        "bioimageio.spec==0.4.9.*",
+        "bioimageio.spec==0.5.0.*",
         "imageio>=2.5",
         "numpy",
         "ruyaml",