diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
new file mode 100644
index 0000000..3565f32
--- /dev/null
+++ b/.github/workflows/actionlint.yml
@@ -0,0 +1,22 @@
+name: Actionlint
+
+on:
+  pull_request:
+    branches: [master]
+  push:
+    branches: [master]
+
+permissions:
+  contents: read
+
+jobs:
+  actionlint:
+    name: Lint GitHub Workflows
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run actionlint
+        uses: reviewdog/action-actionlint@v1
diff --git a/.github/workflows/pr-title.yml b/.github/workflows/pr-title.yml
new file mode 100644
index 0000000..0430568
--- /dev/null
+++ b/.github/workflows/pr-title.yml
@@ -0,0 +1,33 @@
+name: PR Title Check
+
+on:
+  pull_request_target:
+    types: [opened, edited, reopened, synchronize]
+    branches: [master]
+
+permissions:
+  pull-requests: read
+
+jobs:
+  semantic-pr-title:
+    name: Validate PR Title
+    if: github.event.pull_request.user.login != 'renovate[bot]' && github.event.pull_request.user.login != 'dependabot[bot]'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check PR title follows Conventional Commits
+        uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          types: |
+            feat
+            fix
+            chore
+            docs
+            refactor
+            test
+            build
+            ci
+            perf
+            revert
diff --git a/.github/workflows/renovate.yml b/.github/workflows/renovate.yml
new file mode 100644
index 0000000..3d57dd0
--- /dev/null
+++ b/.github/workflows/renovate.yml
@@ -0,0 +1,26 @@
+name: Renovate
+
+on:
+  schedule:
+    - cron: '0 5 * * 1'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+  issues: write
+
+jobs:
+  renovate:
+    name: Run Renovate Bot
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Run Renovate
+        uses: renovatebot/github-action@v41
+        with:
+          configurationFile: renovate.json
+          token: ${{ secrets.RENOVATE_TOKEN || secrets.GITHUB_TOKEN }}
diff --git a/README.md b/README.md
index 3fc1979..ca7828a 100644
--- a/README.md
+++ b/README.md
@@ -107,6 +107,23 @@ The CLI uses pinned, tested versions for all dependencies:
 | Playwright | ^1.49.1 |
 | TypeScript | ^5.7.2 |
 
+## Automated dependency updates
+
+This repo now uses Renovate to auto-update dependencies (including template manifests under `src/templates/overlays/**/manifest.json`) on a weekly schedule.
+
+### One-time setup
+
+1. Create a fine-grained GitHub PAT with repository `contents`, `pull requests`, and `issues` write access.
+2. Add it as repository secret: `RENOVATE_TOKEN`.
+3. Enable repository auto-merge in GitHub settings.
+4. Protect `master` and require CI checks before merge.
+
+Workflow file: `.github/workflows/renovate.yml`  
+Config file: `renovate.json`
+
+Behavior:
+- All dependency updates (major, minor, patch) auto-merge after checks pass.
+
 ## Screenshot
 
 <img width="709" height="1047" alt="image" src="https://github.com/user-attachments/assets/dc8956a9-473b-4001-8c2d-0b3b54f29583" />
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..25b7f7b
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,36 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:recommended"],
+  "labels": ["dependencies"],
+  "schedule": ["before 6am on monday"],
+  "rangeStrategy": "bump",
+  "dependencyDashboard": true,
+  "lockFileMaintenance": {
+    "enabled": true,
+    "automerge": true,
+    "automergeType": "pr",
+    "platformAutomerge": true
+  },
+  "customManagers": [
+    {
+      "customType": "regex",
+      "managerFilePatterns": [
+        "/^src\\/templates\\/overlays\\/.*\\/manifest\\.json$/"
+      ],
+      "matchStrings": [
+        "(?m)^\\s{4}\"(?<depName>[^\"\\s]+)\":\\s*\"(?<currentValue>[~^]?\\d+\\.\\d+\\.\\d(?:[-+][0-9A-Za-z.-]+)?)\",?$"
+      ],
+      "datasourceTemplate": "npm",
+      "versioningTemplate": "npm"
+    }
+  ],
+  "packageRules": [
+    {
+      "description": "Automerge all dependency updates after checks pass",
+      "matchUpdateTypes": ["major", "minor", "patch", "pin", "digest"],
+      "automerge": true,
+      "automergeType": "pr",
+      "platformAutomerge": true
+    }
+  ]
+}