diff --git a/package.json b/package.json
index c59c87e..2184fea 100644
--- a/package.json
+++ b/package.json
@@ -39,5 +39,8 @@
     "email": "mail@substack.net",
     "url": "http://substack.net"
   },
-  "license": "MIT"
+  "license": "MIT",
+  "files": [
+    "index.js"
+  ]
 }