diff --git a/deployment/zitadel/kustomization.yaml b/deployment/zitadel/kustomization.yaml
index a42a910..ddf72c0 100644
--- a/deployment/zitadel/kustomization.yaml
+++ b/deployment/zitadel/kustomization.yaml
@@ -8,11 +8,11 @@ resources:
   - ./ingressRoute.yaml
 
 helmCharts:
-  - name: bitnami
-    repo: oci://registry-1.docker.io/bitnamicharts/postgresql
+  - name: postgresql
+    repo: oci://registry-1.docker.io/bitnamicharts/
     releaseName: postgresql
     namespace: generations-heritage
-    version: 12.10.0
+    version: 16.0.6
     valuesFile: postgres-values.yaml
   - name: zitadel
     repo: https://charts.zitadel.com