diff --git a/package.json b/package.json
index cfa3763..9bc7b85 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
 	},
 	"scripts": {
 		"build": "del-cli distribution && tsc",
-		"test": "xo && ava && npm run build",
+		"test": "xo && ava && tsc --project test && npm run build",
 		"prepack": "npm run build"
 	},
 	"files": [
diff --git a/test/tsconfig.json b/test/tsconfig.json
new file mode 100644
index 0000000..cddf977
--- /dev/null
+++ b/test/tsconfig.json
@@ -0,0 +1,7 @@
+{
+	"extends": "@sindresorhus/tsconfig",
+	"include": ["."],
+	"compilerOptions": {
+		"noEmit": true
+	}
+}