diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 41cf039..ae510a3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,4 +23,5 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
+      - run: npm install
       - run: npm test
diff --git a/package.json b/package.json
index 185472e..99fb50e 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,8 @@
 	},
 	"scripts": {
 		"build": "lbundle",
-		"test": "xo && ava && tsd",
+		"lint": "xo ./fixtures/* ./index.test-d.ts ./index.ts ./test.js",
+		"test": "npm run lint && ava && tsd",
 		"view-supported": "node fixtures/view-codes.js"
 	},
 	"files": [