diff --git a/Chart.lock b/Chart.lock
index 8a75efb..e8f6137 100644
--- a/Chart.lock
+++ b/Chart.lock
@@ -1,7 +1,7 @@
 dependencies:
 - name: postgresql
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 15.5.38
+  version: 16.4.6
 - name: postgresql-ha
   repository: oci://registry-1.docker.io/bitnamicharts
   version: 15.1.7
@@ -11,5 +11,5 @@ dependencies:
 - name: redis
   repository: oci://registry-1.docker.io/bitnamicharts
   version: 20.6.3
-digest: sha256:d4e2ecc390d17c47f57bbb8027ebc9ac6cb02fe13b9ab4839725cd7be803e64a
-generated: "2025-02-04T00:19:27.408942331Z"
+digest: sha256:cd477826d90ff99cb2fb795f86a3fdf5e2efe40c7e6f8d093733450785a0ea1a
+generated: "2025-02-05T18:19:35.245515+01:00"
diff --git a/Chart.yaml b/Chart.yaml
index d8a3119..23aec0c 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -36,7 +36,7 @@ dependencies:
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql
   - name: postgresql
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 15.5.38
+    version: 16.4.6
     condition: postgresql.enabled
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql-ha/Chart.yaml
   - name: postgresql-ha
diff --git a/unittests/helm/dependency-checks/major-image-bump.yaml b/unittests/helm/dependency-checks/major-image-bump.yaml
index 4c69c7f..9dd0688 100644
--- a/unittests/helm/dependency-checks/major-image-bump.yaml
+++ b/unittests/helm/dependency-checks/major-image-bump.yaml
@@ -28,7 +28,7 @@ tests:
         matchRegex:
           path: spec.template.spec.containers[0].image
           # IN CASE OF AN INTENTIONAL MAJOR BUMP, ADJUST THIS TEST
-          pattern: bitnami/postgresql:16.+$
+          pattern: bitnami/postgresql:17.+$
   - it: "[redis-cluster] ensures we detect major image version upgrades"
     template: charts/redis-cluster/templates/redis-statefulset.yaml
     set: