diff --git a/package.json b/package.json
index b989bc2..8c1069f 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "node" : ">=0.8"
   },
   "dependencies" : {
-    "uglify-js" : "2.4.15",
+    "uglify-js" : "3.6.8",
     "optimist" : "0.3.1",
     "xfs" : "0.1.8",
     "ejs": "1.0.0",