diff --git a/package.json b/package.json
index 5296637..6e1f3b0 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "grunt-contrib-cssmin": "^0.10.0",
     "grunt-contrib-htmlmin": "^0.3.0",
     "grunt-contrib-less": "^0.11.3",
-    "grunt-contrib-uglify": "^0.2.7",
+    "grunt-contrib-uglify": "^2.1.0",
     "grunt-contrib-watch": "^0.5.3",
     "grunt-conventional-changelog": "^1.1.0",
     "grunt-html-smoosher": "^0.1.3",