diff --git a/package.json b/package.json
index 363beea..1b60489 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "grunt": "^1.0.0",
     "grunt-cli": "^1.2.0",
     "grunt-contrib-clean": "^1.0.0",
-    "grunt-contrib-uglify": "^1.0.0",
+    "grunt-contrib-uglify": "^2.0.0",
     "grunt-jsduck": "^1.0.0",
     "grunt-karma": "^1.0.0",
     "grunt-recess": "^1.0.0",