diff --git a/chart/Chart.lock b/chart/Chart.lock
index af8b5361..9735b1b3 100644
--- a/chart/Chart.lock
+++ b/chart/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: postgres
   repository: oci://registry-1.docker.io/cloudpirates
-  version: 0.12.4
-digest: sha256:e486b44703c7a97eee25f7715ab040d197d79c41ea1c422ae009b1f68985f544
-generated: "2025-12-01T20:17:25.152279487+01:00"
+  version: 0.18.1
+digest: sha256:950cc40618f1ada297403c4ac091847696e3556cf5809f9387bd3e08e413cbc6
+generated: "2026-03-22T11:38:57.452928614Z"
diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 54da71b9..69808f78 100644
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -12,4 +12,4 @@ dependencies:
 - condition: postgres.enabled
   name: postgres
   repository: oci://registry-1.docker.io/cloudpirates
-  version: 0.12.4
+  version: 0.18.1