diff --git a/bioimageio/spec/VERSION b/bioimageio/spec/VERSION
index 2f4bbed53..5ba417493 100644
--- a/bioimageio/spec/VERSION
+++ b/bioimageio/spec/VERSION
@@ -1,3 +1,3 @@
 {
-    "version": "0.4.4post1"
+    "version": "0.4.5"
 }