diff --git a/package.json b/package.json
index 37eabcd..860cea1 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "grunt-contrib-concat": "~0.5.0",
     "grunt-contrib-jshint": "~0.10.0",
     "grunt-contrib-copy": "~0.5.0",
-    "grunt-contrib-uglify": "~0.5.0"
+    "grunt-contrib-uglify": "~0.6.0"
   },
   "scripts": {
     "test": "grunt"