diff --git a/kubernetes/Chart.yaml b/kubernetes/Chart.yaml
index ca44f4b76..4e4295ba6 100644
--- a/kubernetes/Chart.yaml
+++ b/kubernetes/Chart.yaml
@@ -17,6 +17,6 @@ maintainers:
   email: mail@leonklingele.de
 dependencies:
 - name: postgresql
-  version: ~11.1.3
+  version: ~12.1.6
   repository: "https://charts.bitnami.com/bitnami/"
 engine: gotpl
diff --git a/kubernetes/values.yaml b/kubernetes/values.yaml
index 7f371f72c..5000c2b66 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