diff --git a/k8s-apps/zitadel/Chart.yaml b/k8s-apps/zitadel/Chart.yaml
index f8700523..b1acae51 100644
--- a/k8s-apps/zitadel/Chart.yaml
+++ b/k8s-apps/zitadel/Chart.yaml
@@ -10,4 +10,4 @@ dependencies:
     condition: zitadel.enabled
   - name: postgresql
     repository: https://charts.bitnami.com/bitnami
-    version: 15.5.25
+    version: 15.5.26