diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..48eb521
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,32 @@
+name: ci
+
+permissions:
+  contents: read
+
+on:
+  push:
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    name: build (node v${{ matrix.node }})
+    
+    runs-on: macos-latest
+    
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [ 18, 20, 22 ]
+
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+
+      - name: setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+      
+      - run: npm install
+      - run: npm test
diff --git a/.node-version b/.node-version
new file mode 100644
index 0000000..3c03207
--- /dev/null
+++ b/.node-version
@@ -0,0 +1 @@
+18
diff --git a/package.json b/package.json
index 1f735da..88b2605 100644
--- a/package.json
+++ b/package.json
@@ -11,11 +11,11 @@
     "fs-temp": "^1.2.1"
   },
   "devDependencies": {
-    "mocha": "^7.2.0",
-    "standard": "^15.0.1",
-    "ts-readme-generator": "^0.7.3"
+    "mocha": "^10.7.3",
+    "standard": "^17.1.0",
+    "ts-readme-generator": "^0.7.4"
   },
   "engines": {
-    "node": ">=8.10.0"
+    "node": ">=18"
   }
 }