diff --git a/everything-app/postgres-operator.yaml b/everything-app/postgres-operator.yaml
index d480935..39a9a7b 100644
--- a/everything-app/postgres-operator.yaml
+++ b/everything-app/postgres-operator.yaml
@@ -10,9 +10,9 @@ spec:
   project: infra
   source:
     chart: postgres-operator
+    helm:
+      parameters:
+        - name: image.tag
+          value: v1.15.0
     repoURL: https://opensource.zalando.com/postgres-operator/charts/postgres-operator
     targetRevision: 1.14.0
-  helm:
-    valuesObject:
-      image:
-        tag: 1.15.0