diff --git a/build.gradle b/build.gradle
index 5dd09d64..84b8ad31 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ ext.qupathJavaVersion = 17
 
 base {
     description = "QuPath extension to support image reading using OMERO's web API."
-    version = "0.4.0-SNAPSHOT"
+    version = "0.4.0"
     group = "io.github.qupath"
 }