diff --git a/package.json b/package.json
index 5136858..c296f65 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,9 @@
     "type": "git",
     "url": "git://github.com/epoberezkin/fast-json-stable-stringify.git"
   },
+  "files": [
+    "index.js"
+  ],
   "homepage": "https://github.com/epoberezkin/fast-json-stable-stringify",
   "keywords": [
     "json",