diff --git a/package.json b/package.json
index 80836d1..17efc8d 100644
--- a/package.json
+++ b/package.json
@@ -59,6 +59,8 @@
     "less": "^2.7.2",
     "minimist": "^1.2.0",
     "nodemon": "^1.11.0",
-    "uglify-js": "^3.0.11"
+    "uglify-js": "^3.0.11",
+    "rimraf": "^2.6.1",
+    "run-series": "^1.1.4"
   }
 }