diff --git a/chart/Chart.lock b/chart/Chart.lock
index af8b5361..fb126e77 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: 0.18.3
+digest: sha256:615d1ec5415e1b59cbbdb1b98a5730e305e32ec052450d93eb299742b024f67a
+generated: "2026-03-23T14:33:13.721451079Z"
diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index 54da71b9..9bc4acb8 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: 0.18.3