diff --git a/package.json b/package.json
index 97b2675..e92fb08 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "shim",
     "iisnode"
   ],
+  "files": ["index.js"],
   "author": "Ben Coe <ben@npmjs.com>",
   "license": "ISC",
   "bugs": {