diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index a399f751..00000000
--- a/.npmignore
+++ /dev/null
@@ -1,5 +0,0 @@
-.nyc_output
-node_modules
-.DS_Store
-yargs-logo.png
-./test/fixtures/package.json
diff --git a/package.json b/package.json
index c2429e43..228265f5 100644
--- a/package.json
+++ b/package.json
@@ -34,5 +34,9 @@
   "dependencies": {
     "camelcase": "^2.1.1",
     "lodash.assign": "^4.0.6"
-  }
+  },
+  "files": [
+    "lib",
+    "index.js"
+  ]
 }