diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b2fece65..23f081f7 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -5,7 +5,7 @@ permissions: read-all
 on:
   pull_request:
 env:
-  helm-version: v4.2.2
+  helm-version: v4.2.3
   kubeconform-version: v0.8.0
 
 jobs:
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 0dcc8390..d30eeeb4 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -8,7 +8,7 @@ on:
       - main
 
 env:
-  helm-version: v4.2.2
+  helm-version: v4.2.3
 
 jobs:
   release:
diff --git a/zammad/Chart.yaml b/zammad/Chart.yaml
index 99e26720..39561160 100755
--- a/zammad/Chart.yaml
+++ b/zammad/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: zammad
-version: 16.4.4
-appVersion: 7.1.1-0009
+version: 16.4.5
+appVersion: 7.1.1-0026
 description: Zammad is a web based open source helpdesk/customer support system with many features to manage customer communication via several channels like telephone, facebook, twitter, chat and e-mails.
 home: https://zammad.org
 icon: https://raw.githubusercontent.com/zammad/zammad-documentation/main/images/zammad_logo_600x520.png
@@ -23,7 +23,7 @@ dependencies:
     repository: https://charts.bitnami.com/bitnami
     condition: zammadConfig.minio.enabled
   - name: memcached
-    version: 0.13.3
+    version: 0.14.1
     repository: oci://ghcr.io/cloudpirates-io/helm-charts
     condition: zammadConfig.memcached.enabled
   - name: postgresql
@@ -31,6 +31,6 @@ dependencies:
     repository: https://charts.bitnami.com/bitnami
     condition: zammadConfig.postgresql.enabled
   - name: redis
-    version: 0.30.6
+    version: 0.32.1
     repository: oci://ghcr.io/cloudpirates-io/helm-charts
     condition: zammadConfig.redis.enabled