diff --git a/package.json b/package.json
index db8f985..f17b7f5 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,10 @@
     "type": "git",
     "url": "git://github.com/IndigoUnited/node-cross-spawn.git"
   },
+  "files": [
+    "index.js",
+    "lib"
+  ],
   "keywords": [
     "spawn",
     "spawnSync",