diff --git a/argocd/kafka/test/Chart.lock b/argocd/kafka/test/Chart.lock
index a7ee56f..a9eff6e 100644
--- a/argocd/kafka/test/Chart.lock
+++ b/argocd/kafka/test/Chart.lock
@@ -1,9 +1,9 @@
 dependencies:
 - name: template
   repository: https://repo.2martens.de/charts
-  version: 0.4.1
+  version: 0.5.0
 - name: prometheus-kafka-exporter
   repository: https://prometheus-community.github.io/helm-charts
   version: 2.8.0
-digest: sha256:3586c02de766ac74dc5faabf55d4ecb4523155f775c5e330837c943725283ddf
-generated: "2024-02-04T22:57:32.440725+01:00"
+digest: sha256:a1faec58c7a73a8a5585ec2547475590726da568a13de767a0f3d7fc9c2f0aae
+generated: "2024-02-04T23:11:27.592952+01:00"
diff --git a/argocd/kafka/test/Chart.yaml b/argocd/kafka/test/Chart.yaml
index a48bfd0..e5daae4 100644
--- a/argocd/kafka/test/Chart.yaml
+++ b/argocd/kafka/test/Chart.yaml
@@ -4,7 +4,7 @@ version: 0.1.0
 type: application
 dependencies:
   - name: template
-    version: 0.4.1
+    version: 0.5.0
     repository: https://repo.2martens.de/charts
   - name: prometheus-kafka-exporter
     version: 2.8.0
diff --git a/argocd/kafka/test/values.yaml b/argocd/kafka/test/values.yaml
index e8b55d7..3501a86 100644
--- a/argocd/kafka/test/values.yaml
+++ b/argocd/kafka/test/values.yaml
@@ -170,6 +170,15 @@ nodeSelector: {}
 tolerations: []
 # Configure affinity, contents will be added verbatim to key affinity in deployment pod template
 affinity: {}
+# volumes: configure volumes
+volumes:
+  - name: kafka
+    emptyDir:
+      medium: Memory
+# volumeMounts: will be mounted in container
+volumeMounts:
+  - mountPath: /etc/kafka
+    name: kafka
 # podSpec: will be added at the bottom of the pod template in the deployment
 podSpec: {}
 # containerSpec: will be added at the bottom of the container specification in the pod template
diff --git a/argocd/zookeeper/test/Chart.lock b/argocd/zookeeper/test/Chart.lock
index 0ba2c00..53da386 100644
--- a/argocd/zookeeper/test/Chart.lock
+++ b/argocd/zookeeper/test/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: template
   repository: https://repo.2martens.de/charts
-  version: 0.4.1
-digest: sha256:b71443e9a556d916186960c0a12803bdde8d2ec5ba0282503fc54557c6e1a86d
-generated: "2024-02-04T22:58:01.190167+01:00"
+  version: 0.5.0
+digest: sha256:2fd9fd60065d7d514af8ac541437a5052b00eba2c4708ee6d7c2ee2898399652
+generated: "2024-02-04T23:11:08.502165+01:00"
diff --git a/argocd/zookeeper/test/Chart.yaml b/argocd/zookeeper/test/Chart.yaml
index fb6ff06..a57e947 100644
--- a/argocd/zookeeper/test/Chart.yaml
+++ b/argocd/zookeeper/test/Chart.yaml
@@ -4,5 +4,5 @@ version: 0.1.0
 type: application
 dependencies:
   - name: template
-    version: 0.4.1
+    version: 0.5.0
     repository: https://repo.2martens.de/charts
diff --git a/argocd/zookeeper/test/values.yaml b/argocd/zookeeper/test/values.yaml
index 94df0b8..34cacf7 100644
--- a/argocd/zookeeper/test/values.yaml
+++ b/argocd/zookeeper/test/values.yaml
@@ -150,6 +150,15 @@ nodeSelector: {}
 tolerations: []
 # Configure affinity, contents will be added verbatim to key affinity in deployment pod template
 affinity: {}
+# volumes: configure volumes
+volumes:
+  - name: kafka
+    emptyDir:
+      medium: Memory
+# volumeMounts: will be mounted in container
+volumeMounts:
+  - mountPath: /etc/kafka
+    name: kafka
 # podSpec: will be added at the bottom of the pod template in the deployment
 podSpec: {}
 # containerSpec: will be added at the bottom of the container specification in the pod template
diff --git a/helm/kafka/Chart.lock b/helm/kafka/Chart.lock
index ee0d20d..4e4bab4 100644
--- a/helm/kafka/Chart.lock
+++ b/helm/kafka/Chart.lock
@@ -4,6 +4,6 @@ dependencies:
   version: 2.8.0
 - name: template
   repository: file://../template
-  version: 0.4.0
-digest: sha256:99270b2900ea5d87d9ae01c8e88be33ccfb0d69e222f6a062860a16a69439d57
-generated: "2024-02-04T22:21:56.940604+01:00"
+  version: 0.5.0
+digest: sha256:5764823b1f9d5ebea6551e20aaeaf542e2fe679da2c4774298e7fa4da9db98c2
+generated: "2024-02-04T23:10:44.993804+01:00"
diff --git a/helm/kafka/Chart.yaml b/helm/kafka/Chart.yaml
index 0ce025d..3f074bd 100644
--- a/helm/kafka/Chart.yaml
+++ b/helm/kafka/Chart.yaml
@@ -11,7 +11,7 @@ dependencies:
     version: 2.8.0
     repository: https://prometheus-community.github.io/helm-charts
   - name: template
-    version: 0.4.0
+    version: 0.5.0
     repository: file://../template
 annotations:
   artifacthub.io/changes: |
diff --git a/helm/kafka/overwrite_values.yaml b/helm/kafka/overwrite_values.yaml
index 6287416..81f6984 100644
--- a/helm/kafka/overwrite_values.yaml
+++ b/helm/kafka/overwrite_values.yaml
@@ -30,3 +30,10 @@ environment:
     value: "1"
 prometheus:
   enabled: false
+volumes:
+  - name: kafka
+    emptyDir:
+      medium: Memory
+volumeMounts:
+  - mountPath: /etc/kafka
+    name: kafka
diff --git a/helm/kafka/values.yaml b/helm/kafka/values.yaml
index d06688b..0a73842 100644
--- a/helm/kafka/values.yaml
+++ b/helm/kafka/values.yaml
@@ -162,6 +162,15 @@ nodeSelector: {}
 tolerations: []
 # Configure affinity, contents will be added verbatim to key affinity in deployment pod template
 affinity: {}
+# volumes: configure volumes
+volumes:
+  - name: kafka
+    emptyDir:
+      medium: Memory
+# volumeMounts: will be mounted in container
+volumeMounts:
+  - mountPath: /etc/kafka
+    name: kafka
 # podSpec: will be added at the bottom of the pod template in the deployment
 podSpec: {}
 # containerSpec: will be added at the bottom of the container specification in the pod template
diff --git a/helm/zookeeper/Chart.lock b/helm/zookeeper/Chart.lock
index 002bac2..e084c39 100644
--- a/helm/zookeeper/Chart.lock
+++ b/helm/zookeeper/Chart.lock
@@ -1,6 +1,6 @@
 dependencies:
 - name: template
   repository: file://../template
-  version: 0.4.0
-digest: sha256:a075a598e4f3c78ef83e00df74dcce9d59423e03c658d9b5c9e6316285f0e7b7
-generated: "2024-02-04T22:19:56.389512+01:00"
+  version: 0.5.0
+digest: sha256:8a4a8940fd8f437f817f52a806e451ca53fab1179f2cacf11359050db14cef32
+generated: "2024-02-04T23:10:33.394831+01:00"
diff --git a/helm/zookeeper/Chart.yaml b/helm/zookeeper/Chart.yaml
index 03632cb..7dc405d 100644
--- a/helm/zookeeper/Chart.yaml
+++ b/helm/zookeeper/Chart.yaml
@@ -2,18 +2,18 @@ apiVersion: v2
 name: zookeeper
 description: Simple Zookeeper chart to get started
 type: application
-version: 0.2.0
+version: 0.2.1
 maintainers:
   - name: Jim Martens
     url: https://2martens.de
 dependencies:
   - name: template
-    version: 0.4.0
+    version: 0.5.0
     repository: file://../template
 annotations:
   artifacthub.io/changes: |
-    - kind: changed
-      description: Use restrictive security context by default
+    - kind: fixed
+      description: Mount writable volume for /etc/kafka
   artifacthub.io/signKey: |
     fingerprint: F0F153B65BAD467201D7544E47393ABD1F96B7C8
     url: https://mafiasi.de/pks/key/47393ABD1F96B7C8.asc
diff --git a/helm/zookeeper/overwrite_values.yaml b/helm/zookeeper/overwrite_values.yaml
index 92e3f31..79591a7 100644
--- a/helm/zookeeper/overwrite_values.yaml
+++ b/helm/zookeeper/overwrite_values.yaml
@@ -18,3 +18,10 @@ environment:
     value: "{{ .Values.application.port }}"
   - name: ZOOKEEPER_TICK_TIME
     value: "{{ .Values.application.tickTime }}"
+volumes:
+  - name: kafka
+    emptyDir:
+      medium: Memory
+volumeMounts:
+  - mountPath: /etc/kafka
+    name: kafka
diff --git a/helm/zookeeper/values.yaml b/helm/zookeeper/values.yaml
index e5954b2..1282fac 100644
--- a/helm/zookeeper/values.yaml
+++ b/helm/zookeeper/values.yaml
@@ -150,6 +150,15 @@ nodeSelector: {}
 tolerations: []
 # Configure affinity, contents will be added verbatim to key affinity in deployment pod template
 affinity: {}
+# volumes: configure volumes
+volumes:
+  - name: kafka
+    emptyDir:
+      medium: Memory
+# volumeMounts: will be mounted in container
+volumeMounts:
+  - mountPath: /etc/kafka
+    name: kafka
 # podSpec: will be added at the bottom of the pod template in the deployment
 podSpec: {}
 # containerSpec: will be added at the bottom of the container specification in the pod template