diff --git a/kubernetes/chart/zulip/Chart.lock b/kubernetes/chart/zulip/Chart.lock
index a1b22d21af..74c8748ae2 100644
--- a/kubernetes/chart/zulip/Chart.lock
+++ b/kubernetes/chart/zulip/Chart.lock
@@ -1,15 +1,15 @@
 dependencies:
 - name: memcached
   repository: https://charts.bitnami.com/bitnami
-  version: 6.0.16
+  version: 6.5.5
 - name: rabbitmq
   repository: https://charts.bitnami.com/bitnami
-  version: 8.32.0
+  version: 12.0.7
 - name: redis
   repository: https://charts.bitnami.com/bitnami
-  version: 16.8.7
+  version: 17.13.2
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 11.1.22
-digest: sha256:376a93b6d6df79610d9ba283727a95560378644bb006f4ffc2c19571453a5cad
-generated: "2022-04-21T11:44:41.427111348+02:00"
+  version: 11.9.13
+digest: sha256:fb22be2d92ffa96fcccc42184d90574d30e7ec60d91922a279826e09879ca817
+generated: "2023-07-20T14:45:39.728865407+02:00"
diff --git a/kubernetes/chart/zulip/Chart.yaml b/kubernetes/chart/zulip/Chart.yaml
index 051a3740d4..21449f48da 100644
--- a/kubernetes/chart/zulip/Chart.yaml
+++ b/kubernetes/chart/zulip/Chart.yaml
@@ -18,23 +18,23 @@ dependencies:
     repository: https://charts.bitnami.com/bitnami
     tags:
       - memcached
-    version: 6.0.16
+    version: 6.5.5
   - name: rabbitmq
     repository: https://charts.bitnami.com/bitnami
     tags:
       - rabbitmq
-    version: 8.32.0
+    version: 12.0.7
   - name: redis
     repository: https://charts.bitnami.com/bitnami
     tags:
       - redis
-    version: 16.8.7
+    version: 17.13.2
   - name: postgresql
     repository: https://charts.bitnami.com/bitnami
     tags:
       - postgresql
     # Note: values.yaml overwrites posgresql image to zulip/zulip-postgresql:14
-    version: 11.1.22
+    version: 11.9.13
 
 sources:
   - https://github.com/zulip/zulip