diff --git a/gulpfile.js b/gulpfile.js
index 00beecd..9e6e8fb 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -5,6 +5,7 @@ const gulp          = require('gulp');
 const pump          = require('pump');
 const jshint        = require('gulp-jshint');
 const replace       = require('gulp-replace');
+const clean			= require('gulp-clean');
 
 var paths = {
     srcJS:    'src/js/*.js',