diff --git a/package.json b/package.json
index e458e90..b5ca98e 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
     "prepublishOnly": "npm run build"
   },
   "files": [
+    "index.js",
     "lib"
   ],
   "repository": {