diff --git a/grunt/Gruntfile.js b/grunt/Gruntfile.js
index 901abb1d5..9239f7e94 100644
--- a/grunt/Gruntfile.js
+++ b/grunt/Gruntfile.js
@@ -25,7 +25,7 @@ module.exports = function(grunt) {
         },
       },
       build: {
-        src: ['../static/lib/**/*.js', '../static/js/**/*.js', '../static/dist/template-cache.js'],
+        src: ['!../static/js/**/*.spec.js', '../static/lib/**/*.js', '../static/js/**/*.js', '../static/dist/template-cache.js'],
         dest: '../static/dist/<%= pkg.name %>.js'
       }
     },