diff --git a/kubernetes/Chart.yaml b/kubernetes/Chart.yaml
index ca44f4b7..4e4295ba 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