diff --git a/chart/Chart.lock b/chart/Chart.lock
new file mode 100644
index 00000000..af8b5361
--- /dev/null
+++ b/chart/Chart.lock
@@ -0,0 +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"
diff --git a/chart/Chart.yaml b/chart/Chart.yaml
index e1e05cde..54da71b9 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: 0.12.0
+  version: 0.12.4