diff --git a/manifests/database.yaml b/manifests/database.yaml
index 68aed44..b6c72ba 100644
--- a/manifests/database.yaml
+++ b/manifests/database.yaml
@@ -13,7 +13,6 @@ spec:
     nodeSelector:
       kubernetes.io/arch: arm64
 
-
   storage: 
     size: 1Gi
     storageClass: local-path
@@ -33,6 +32,7 @@ spec:
       - host all all all md5
 
   backup:
+    retentionPolicy: "30d"
     barmanObjectStore:
       destinationPath: "s3://halis/cloudnativepg"
       endpointURL: https://s3.halia.dev