diff --git a/clusters/cl01tl/services/harbor/Chart.yaml b/clusters/cl01tl/services/harbor/Chart.yaml
index ec257cdf5..d501c9329 100644
--- a/clusters/cl01tl/services/harbor/Chart.yaml
+++ b/clusters/cl01tl/services/harbor/Chart.yaml
@@ -21,7 +21,7 @@ dependencies:
     repository: https://helm.goharbor.io
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 5.1.0
+    version: 6.4.4
     repository: http://gitea-http.gitea:3000/api/packages/alexlebens/helm
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/harbor.png
 appVersion: v2.13.0