diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..6ed2a97
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @vvakame
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..2a101d7
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,20 @@
+version: 2
+updates:
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      minor-and-patch:
+        update-types:
+          - "minor"
+          - "patch"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups:
+      minor-and-patch:
+        update-types:
+          - "minor"
+          - "patch"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..ac13722
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,17 @@
+name: CI
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version-file: "package.json"
+          cache: "npm"
+      - run: npm ci
+      - run: npm test
diff --git a/package.json b/package.json
index bf60cd3..e7e7182 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,9 @@
     "url": "https://github.com/prh/rules/issues"
   },
   "homepage": "https://github.com/prh/rules#readme",
+  "engines": {
+    "node": ">=22"
+  },
   "dependencies": {
     "prh": "^6.0.1"
   }