diff --git a/package.json b/package.json
index 783c12e..592ae87 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "grunt-contrib-cssmin": "~0.10.0",
     "grunt-contrib-jshint": "~0.10.0",
     "grunt-contrib-sass": "~0.8.1",
-    "grunt-contrib-uglify": "~0.5.1",
+    "grunt-contrib-uglify": "~0.6.0",
     "grunt-contrib-watch": "~0.6.1",
     "grunt-csscomb": "~3.0.0",
     "grunt-html-validation": "~0.1.18",