diff --git a/charts/voucher/Chart.lock b/charts/voucher/Chart.lock
index 7ddb1b477..f275099b7 100644
--- a/charts/voucher/Chart.lock
+++ b/charts/voucher/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 15.1.0
-digest: sha256:ad382e4b364c5b546451c2641748f8e7dbf93ac4a0a2858597180045d83fbcba
-generated: "2024-10-08T14:50:10.663588624+05:30"
+  version: 16.4.1
+digest: sha256:ae1ac9c64e2a56e934bae8adb447287e9551efee59b919a80ee1b6685f63ff9d
+generated: "2025-01-13T10:30:01.835656934Z"
diff --git a/charts/voucher/Chart.yaml b/charts/voucher/Chart.yaml
index 649826a0a..734445a45 100644
--- a/charts/voucher/Chart.yaml
+++ b/charts/voucher/Chart.yaml
@@ -20,6 +20,6 @@ version: 0.1.0-dev
 appVersion: 0.1.0
 dependencies:
   - name: postgresql
-    version: 15.1.0
+    version: 16.4.1
     repository: https://charts.bitnami.com/bitnami
     condition: postgresql.enabled