diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..945660b
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,25 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  test:
+    name: Test (Node ${{ matrix.node }})
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: ["18", "22"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+          cache: npm
+      - run: npm ci
+      - name: Type-check
+        run: npm run lint
+      - name: Test
+        run: npm test
diff --git a/package.json b/package.json
index 7d107f2..97b06e1 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "build": "tsc",
     "dev": "tsc --watch",
     "lint": "tsc --noEmit",
-    "test": "tsc && node --test \"test/*.test.js\"",
+    "test": "tsc && node --test test/*.test.js",
     "prepare": "tsc"
   },
   "keywords": [