diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index afbd87aa..a342ce5c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,7 +8,7 @@ on:
       - main
 
 env:
-  helm-version: "v3.18.0"
+  helm-version: "v3.19.4"
   kubeconform-version: "v0.7.0"
 
 jobs:
@@ -65,9 +65,9 @@ jobs:
     strategy:
       matrix:
         k8s:
-          - v1.31.9
-          - v1.32.5
-          - v1.33.1
+          - v1.33.7
+          - v1.34.3
+          - v1.35.0
     steps:
       - name: Checkout
         uses: actions/checkout@v6
@@ -94,9 +94,9 @@ jobs:
       matrix:
         k8s:
           # Versions of kindest/node
-          - v1.31.9
-          - v1.32.5
-          - v1.33.1
+          - v1.33.7
+          - v1.34.3
+          - v1.35.0
     steps:
       - name: Checkout
         uses: actions/checkout@v6
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index a5ae6fc6..86dab91a 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -8,7 +8,7 @@ on:
       - main
 
 env:
-  helm-version: "v3.18.0"
+  helm-version: "v3.19.4"
 
 jobs:
   release:
diff --git a/zammad/Chart.yaml b/zammad/Chart.yaml
index f990f928..f0cd838b 100755
--- a/zammad/Chart.yaml
+++ b/zammad/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: zammad
-version: 15.6.0
-appVersion: 6.5.2-46
+version: 15.6.1
+appVersion: 6.5.2-67
 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
diff --git a/zammad/values.yaml b/zammad/values.yaml
index 773afda0..033d0303 100755
--- a/zammad/values.yaml
+++ b/zammad/values.yaml
@@ -457,7 +457,7 @@ zammadConfig:
       enabled: true
       image:
         repository: alpine
-        tag: "3.22.2"
+        tag: "3.23.2"
         pullPolicy: IfNotPresent
       command:
         - /bin/sh