diff --git a/Chart.lock b/Chart.lock
index d97b33d..53a4cf4 100644
--- a/Chart.lock
+++ b/Chart.lock
@@ -4,7 +4,7 @@ dependencies:
   version: 2.29.0
 - name: postgresql
   repository: oci://ghcr.io/visualon/bitnamicharts
-  version: 15.5.38
+  version: 16.4.2
 - name: postgresql-ha
   repository: oci://ghcr.io/visualon/bitnamicharts
   version: 14.3.10
@@ -14,5 +14,5 @@ dependencies:
 - name: redis
   repository: oci://ghcr.io/visualon/bitnamicharts
   version: 20.6.2
-digest: sha256:e40476d3698a07b42b3a2c9c1d2a36cb84dcbbc26db61f8e792afbda852b3dfd
-generated: "2025-01-15T12:05:02.4047978+01:00"
+digest: sha256:2c138914e4c171377d01de000524350c64088711163919144ec438a4663c9285
+generated: "2025-01-15T14:31:36.679523+01:00"
diff --git a/Chart.yaml b/Chart.yaml
index 6bb124a..fe3a7be 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -37,7 +37,7 @@ dependencies:
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql/Chart.yaml
   - name: postgresql
     repository: oci://ghcr.io/visualon/bitnamicharts
-    version: 15.5.38
+    version: 16.4.2
     condition: postgresql.enabled
   # https://github.com/bitnami/charts/blob/main/bitnami/postgresql-ha/Chart.yaml
   - name: postgresql-ha
diff --git a/unittests/dependency-major-image-check.yaml b/unittests/dependency-major-image-check.yaml
index 6892613..c2a7e78 100644
--- a/unittests/dependency-major-image-check.yaml
+++ b/unittests/dependency-major-image-check.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: ^docker.io/bitnami/postgresql:16.+$
+          pattern: ^docker.io/bitnami/postgresql:17.+$
   - it: '[redis-cluster] ensures we detect major image version upgrades'
     template: charts/redis-cluster/templates/redis-statefulset.yaml
     set: