diff --git a/.npmignore b/.npmignore
index 595cb6ac9..d51094952 100644
--- a/.npmignore
+++ b/.npmignore
@@ -11,3 +11,7 @@
 /speed
 /test
 /Gruntfile.js
+
+/external/qunit
+/external/requirejs
+/external/sinon