diff --git a/Gruntfile.js b/Gruntfile.js
index 9a2a5754e4..2c9e4f985a 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -60,6 +60,9 @@ module.exports = function (grunt) {
       },
       test: {
         src: ['js/tests/unit/*.js']
+      },
+      assets: {
+        src: ['docs/assets/js/application.js', 'docs/assets/js/customizer.js']
       }
     },