diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index 813b9840..00000000
--- a/.npmignore
+++ /dev/null
@@ -1,9 +0,0 @@
-.idea
-node_modules
-npm-debug.log
-doc
-matter-doc-theme
-build/matter-dev.js
-build/matter-dev.min.js
-demo/js/lib/matter-dev.js
-test/browser/diffs
\ No newline at end of file
diff --git a/package.json b/package.json
index 6d10c303..6feac713 100644
--- a/package.json
+++ b/package.json
@@ -52,5 +52,10 @@
   "scripts": {
     "test": "gulp build:dev && gulp build:examples && gulp lint"
   },
-  "dependencies": {}
+  "dependencies": {},
+  "files": [
+    "src",
+    "build",
+    "CHANGELOG.md"
+  ]
 }