diff --git a/bitnami/postgresql/Chart.yaml b/bitnami/postgresql/Chart.yaml
index 5dd7d699f7d1d9..ee45b5b85d711d 100644
--- a/bitnami/postgresql/Chart.yaml
+++ b/bitnami/postgresql/Chart.yaml
@@ -35,4 +35,4 @@ maintainers:
 name: postgresql
 sources:
 - https://github.com/bitnami/charts/tree/main/bitnami/postgresql
-version: 15.2.12
+version: 15.2.13
diff --git a/bitnami/postgresql/templates/backup/networkpolicy.yaml b/bitnami/postgresql/templates/backup/networkpolicy.yaml
index 0391ae5645906e..21e1add862c9e6 100644
--- a/bitnami/postgresql/templates/backup/networkpolicy.yaml
+++ b/bitnami/postgresql/templates/backup/networkpolicy.yaml
@@ -25,4 +25,8 @@ spec:
     - ports:
         - port: 5432
           protocol: TCP
+        - port: 53
+          protocol: TCP
+        - port: 53
+          protocol: UDP
 {{- end }}