diff --git a/quickstart-postgresql/templates/networkpolicy.yaml b/quickstart-postgresql/templates/networkpolicy.yaml
index b9a7093..732c342 100644
--- a/quickstart-postgresql/templates/networkpolicy.yaml
+++ b/quickstart-postgresql/templates/networkpolicy.yaml
@@ -14,6 +14,12 @@ spec:
     - Ingress
   ingress:
     - from:
+        - namespaceSelector:
+            matchLabels:
+              name: cnpg-system
+          podSelector:
+            matchLabels:
+              app.kubernetes.io/name: cloudnative-pg
         - namespaceSelector:
             matchLabels:
               name: {{ .Release.Namespace }}