diff --git a/Gruntfile.js b/Gruntfile.js
index 10bb69c7..a534b6e3 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -124,7 +124,7 @@ module.exports = function(grunt) {
       build: ["demo_docs/build"],
       fonts: ["sphinx_rtd_theme/static/fonts"],
       css: ["sphinx_rtd_theme/static/css"],
-      js: ["sphinx_rtd_theme/static/js"]
+      js: ["sphinx_rtd_theme/static/js/*", "!sphinx_rtd_theme/static/js/modernizr.min.js"]
     },
 
     watch: {