diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index 98e52d126..000000000
--- a/.npmignore
+++ /dev/null
@@ -1,6 +0,0 @@
-test/
-examples/
-coverage/
-.travis.yml
-appveyor.yml
-bm.js
diff --git a/package.json b/package.json
index c5b5adb40..e3443a321 100644
--- a/package.json
+++ b/package.json
@@ -62,6 +62,13 @@
   "main": "lib/webpack.js",
   "web": "lib/webpack.web.js",
   "bin": "./bin/webpack.js",
+  "files": [
+    "lib/",
+    "bin/",
+    "buildin/",
+    "hot/",
+    "web_modules/"
+  ],
   "scripts": {
     "test": "eslint lib && mocha --reporter spec",
     "lint": "eslint lib",