diff --git a/Chart.lock b/Chart.lock
index c5f80ef..44d920b 100644
--- a/Chart.lock
+++ b/Chart.lock
@@ -1,12 +1,12 @@
 dependencies:
 - name: postgresql
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 12.4.1
+  version: 12.6.6
 - name: postgresql-ha
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 11.6.1
+  version: 11.7.9
 - name: redis-cluster
   repository: oci://registry-1.docker.io/bitnamicharts
-  version: 8.4.4
-digest: sha256:3b203051c9fb8df9e771a4d67c276190a1c63aae9bf980ef3676e2a51b2f56c7
-generated: "2023-05-13T21:47:51.823348+02:00"
+  version: 8.6.9
+digest: sha256:52296a48610712a8eb69a32b1b5818b014bfb8dac79d883e11ebdaf97d41e85d
+generated: "2023-07-17T21:24:06.888357+02:00"
diff --git a/Chart.yaml b/Chart.yaml
index d5a2d32..7160a58 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -33,18 +33,18 @@ maintainers:
 
 # Bitnami charts are served from GitHub CDN - See https://github.com/bitnami/charts/issues/10539 for details
 dependencies:
-  # OCI registry: https://blog.bitnami.com/2023/01/bitnami-helm-charts-available-as-oci.html (2023-01)
+  # Chart release date: 2023-07 (https://github.com/bitnami/charts/blob/main/bitnami/postgresql/Chart.yaml)
   - name: postgresql
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 12.4.1
+    version: 12.6.6
     condition: postgresql.enabled
-  # Chart release date: 2023-05
+  # Chart release date: 2023-07 (https://github.com/bitnami/charts/blob/main/bitnami/postgresql-ha/Chart.yaml)
   - name: postgresql-ha
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 11.6.1
+    version: 11.7.9
     condition: postgresql-ha.enabled
-  # Chart release date: 2023-04
+  # Chart release date: 2023-07 (https://github.com/bitnami/charts/blob/main/bitnami/redis-cluster/Chart.yaml)
   - name: redis-cluster
     repository: oci://registry-1.docker.io/bitnamicharts
-    version: 8.4.4
+    version: 8.6.9
     condition: redis-cluster.enabled
diff --git a/Makefile b/Makefile
index ff48c63..e3e4f03 100644
--- a/Makefile
+++ b/Makefile
@@ -10,3 +10,8 @@ readme: prepare-environment
 .PHONY: unittests
 unittests:
 	helm unittest --strict -f 'unittests/**/*.yaml' ./
+
+.PHONY: helm
+update-helm-dependencies:
+	helm dependency update
+  
\ No newline at end of file