diff --git a/manifests/grafana/database.yaml b/manifests/grafana/database.yaml
index f3629a4..2d52d95 100644
--- a/manifests/grafana/database.yaml
+++ b/manifests/grafana/database.yaml
@@ -5,6 +5,7 @@ metadata:
   namespace: monitoring
 
 spec:
+  imageName: ghcr.io/cloudnative-pg/postgresql:15.3
   instances: 3
 
   storage: