diff --git a/package.json b/package.json
index 6b8f61f..ad7313b 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,8 @@
     "url": "git://github.com/PeterDaveHello/YZU-Proxy-PAC.git"
   },
   "devDependencies": {
-    "jslint": ">=0.7"
+    "jslint": ">=0.7",
+    "uglify-js": "^3.1.2"
   },
   "scripts": {
     "test": "make test"