diff --git a/postgres/app/helmrelease.yaml b/postgres/app/helmrelease.yaml
index 9af65c0..ede2b20 100644
--- a/postgres/app/helmrelease.yaml
+++ b/postgres/app/helmrelease.yaml
@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: cluster
-      version: 0.3.1
+      version: 0.4.0
       sourceRef:
         kind: HelmRepository
         name: cloudnative-pg