diff --git a/Chart.lock b/Chart.lock
index 45a914c..d8b8168 100644
--- a/Chart.lock
+++ b/Chart.lock
@@ -1,7 +1,7 @@
 dependencies:
 - name: postgresql
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 18.5.2
+  version: 18.5.5
 - name: postgresql-ha
   repository: oci://registry-1.docker.io/bitnamicharts
   version: 16.3.2
@@ -11,5 +11,5 @@ dependencies:
 - name: valkey
   repository: oci://registry-1.docker.io/bitnamicharts
   version: 5.4.3
-digest: sha256:6599cedac038a032f841acece8a181e2a7cbcda04f2546cb7ccc26068567a874
-generated: "2026-03-07T00:06:19.404436589Z"
+digest: sha256:94b9bbc4d16f71c7e695cfc8dc73bc455205eef82787a3bcacf42d23fc3accb6
+generated: "2026-03-07T10:01:12.686554599Z"
diff --git a/Chart.yaml b/Chart.yaml
index c9a0599..8a92300 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -32,7 +32,7 @@ dependencies:
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql
   - name: postgresql
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 18.5.2
+    version: 18.5.5
     condition: postgresql.enabled
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql-ha/Chart.yaml
   - name: postgresql-ha