diff --git a/start-site/src/main/resources/application.yml b/start-site/src/main/resources/application.yml
index 94327f83f8..f1cf14d980 100644
--- a/start-site/src/main/resources/application.yml
+++ b/start-site/src/main/resources/application.yml
@@ -125,7 +125,7 @@ initializr:
         versionProperty: spring-grpc.version
         mappings:
           - compatibilityRange: "[3.4.0,3.5.0-M1)"
-            version: 0.3.0-SNAPSHOT
+            version: 0.4.0-SNAPSHOT
             repositories: spring-snapshots
       spring-modulith:
         groupId: org.springframework.modulith