diff --git a/.npmignore b/.npmignore
new file mode 100644
index 00000000000..4e7b21717e8
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,19 @@
+build/
+demos/
+external/
+tests/
+.csslintrc
+.editorconfig
+.gitattributes
+.gitignore
+.jscsrc
+.jshintrc
+.mailmap
+.npmignore
+.travis.yml
+Gruntfile.js
+bower.json
+
+dist
+bower_components
+.sizecache.json