diff --git a/.gitea/workflows/generate-readme.yaml b/.gitea/workflows/generate-readme.yaml
index 409ac12..d5c8cdb 100644
--- a/.gitea/workflows/generate-readme.yaml
+++ b/.gitea/workflows/generate-readme.yaml
@@ -15,7 +15,7 @@ on:
 jobs:
   generate-parameters:
     container:
-      image: docker.io/library/node:24.10.0-alpine
+      image: docker.io/library/node:25.0.0-alpine
     runs-on:
     - ubuntu-latest
     steps:
diff --git a/.gitea/workflows/helm.yaml b/.gitea/workflows/helm.yaml
index f06bba2..399b0ad 100644
--- a/.gitea/workflows/helm.yaml
+++ b/.gitea/workflows/helm.yaml
@@ -12,31 +12,56 @@ on:
 
 jobs:
   helm-lint:
-    container:
-      image: docker.io/volkerraschek/helm:3.19.0
-    runs-on:
-    - ubuntu-latest
+    container: docker.io/alpine/helm:3.19.0
+    name: Execute helm lint
+    runs-on: ubuntu-latest
     steps:
-    - name: Install tooling
-      run: |
-        apk update
-        apk add git npm
-    - uses: actions/checkout@v5.0.0
-    - name: Lint helm files
-      run: |
-        helm lint --values values.yaml .
+      - name: Install additional tools
+        run: |
+          apk update
+          apk add --update bash make nodejs
+      - uses: actions/checkout@v5.0.0
+      - name: Install helm chart dependencies
+        run: helm dependency build
+      - name: Execute helm lint
+        run: helm lint
+
+  helm-template:
+    container: docker.io/alpine/helm:3.19.0
+    name: Execute helm template
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install additional tools
+        run: |
+          apk update
+          apk add --update bash make nodejs
+      - uses: actions/checkout@v5.0.0
+      - name: Extract repository owner and name
+        run: |
+          echo "REPOSITORY_NAME=$(echo ${GITHUB_REPOSITORY} | cut -d '/' -f 2 | sed --regexp-extended 's/-charts?//g')" >> $GITHUB_ENV
+          echo "REPOSITORY_OWNER=$(echo ${GITHUB_REPOSITORY} | cut -d '/' -f 1)" >> $GITHUB_ENV
+      - name: Install helm chart dependencies
+        run: helm dependency build
+      - name: Execute helm template
+        run: helm template --debug "${REPOSITORY_NAME}" .
 
   helm-unittest:
-    container:
-      image: docker.io/volkerraschek/helm:3.19.0
-    runs-on:
-    - ubuntu-latest
+    container: docker.io/alpine/helm:3.19.0
+    env:
+      HELM_UNITTEST_VERSION: v1.0.1 # renovate: datasource=github-releases depName=helm-unittest/helm-unittest
+    name: Execute helm unittest
+    runs-on: ubuntu-latest
     steps:
-    - name: Install tooling
-      run: |
-        apk update
-        apk add git npm
-    - uses: actions/checkout@v5.0.0
-    - name: Unittest
-      run: |
-        helm unittest --strict --file 'unittests/**/*.yaml' ./
\ No newline at end of file
+      - name: Install additional tools
+        run: |
+          apk update
+          apk add --update bash make nodejs npm yamllint ncurses
+      - uses: actions/checkout@v5.0.0
+      - name: Install helm chart dependencies
+        run: helm dependency build
+      - name: Install helm plugin 'unittest'
+        run: helm plugin install --version "${HELM_UNITTEST_VERSION}" https://github.com/helm-unittest/helm-unittest
+      - name: Execute helm unittest
+        env:
+          TERM: xterm
+        run: helm unittest --strict --file 'unittests/**/*.yaml' ./
diff --git a/.gitea/workflows/markdown-linters.yaml b/.gitea/workflows/markdown-linters.yaml
index d843e69..5fcc0c0 100644
--- a/.gitea/workflows/markdown-linters.yaml
+++ b/.gitea/workflows/markdown-linters.yaml
@@ -15,7 +15,7 @@ on:
 jobs:
   markdown-link-checker:
     container:
-      image: docker.io/library/node:24.10.0-alpine
+      image: docker.io/library/node:25.0.0-alpine
     runs-on:
     - ubuntu-latest
     steps:
@@ -31,7 +31,7 @@ jobs:
 
   markdown-lint:
     container:
-      image: docker.io/library/node:24.10.0-alpine
+      image: docker.io/library/node:25.0.0-alpine
     runs-on:
     - ubuntu-latest
     steps:
diff --git a/Makefile b/Makefile
index 6f31404..e0d6b1b 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ HELM_IMAGE_FULLY_QUALIFIED=${HELM_IMAGE_REGISTRY_HOST}/${HELM_IMAGE_REPOSITORY}:
 # NODE_IMAGE
 NODE_IMAGE_REGISTRY_HOST?=docker.io
 NODE_IMAGE_REPOSITORY?=library/node
-NODE_IMAGE_VERSION?=24.10.0-alpine # renovate: datasource=docker registryUrl=https://docker.io depName=docker.io/library/node packageName=library/node
+NODE_IMAGE_VERSION?=25.0.0-alpine # renovate: datasource=docker registryUrl=https://docker.io depName=docker.io/library/node packageName=library/node
 NODE_IMAGE_FULLY_QUALIFIED=${NODE_IMAGE_REGISTRY_HOST}/${NODE_IMAGE_REPOSITORY}:${NODE_IMAGE_VERSION}
 
 # MISSING DOT
diff --git a/renovate.json b/renovate.json
index 4475ab9..9172948 100644
--- a/renovate.json
+++ b/renovate.json
@@ -23,7 +23,9 @@
     },
     {
       "customType": "regex",
-      "fileMatch": ["^README\\.md$"],
+      "fileMatch": [
+        "^README\\.md$"
+      ],
       "matchStrings": [
         "CHART_VERSION=(?<currentValue>.*)"
       ],
@@ -31,6 +33,16 @@
       "packageNameTemplate": "https://git.cryptic.systems/volker.raschek/reposilite-charts",
       "datasourceTemplate": "git-tags",
       "versioningTemplate": "semver"
+    },
+    {
+      "customType": "regex",
+      "datasourceTemplate": "github-releases",
+      "fileMatch": [
+        ".vscode/settings\\.json$"
+      ],
+      "matchStrings": [
+        "https:\\/\\/raw\\.githubusercontent\\.com\\/(?<depName>[^\\s]+?)\\/(?<currentValue>v[0-9.]+?)\\/schema\\/helm-testsuite\\.json"
+      ]
     }
   ],
   "packageRules": [
@@ -41,6 +53,15 @@
         "volkerraschek/helm"
       ]
     },
+    {
+      "groupName": "Update helm plugin 'unittest'",
+      "matchDepNames": [
+        "helm-unittest/helm-unittest"
+      ],
+      "matchDatasources": [
+        "github-releases"
+      ]
+    },
     {
       "groupName": "Update docker.io/library/node",
       "matchDepNames": [
@@ -92,4 +113,4 @@
     ],
     "executionMode": "update"
   }
-}
+}
\ No newline at end of file