diff --git a/kubernetes/values.yaml b/kubernetes/values.yaml
index 7f371f72..5000c2b6 100644
--- a/kubernetes/values.yaml
+++ b/kubernetes/values.yaml
@@ -34,6 +34,8 @@ securityContext:
 
 # See https://github.com/bitnami/charts/tree/master/bitnami/postgresql
 postgresql:
+  image:
+    tag: 13
   auth:
     username: kemal
     password: kemal