diff --git a/package.json b/package.json
index 5d6ce55..84d2113 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "eslint": "^3.14.1",
     "grunt": "^1.0.1",
     "grunt-browserify": "^5.0.0",
-    "grunt-contrib-uglify": "^2.0.0",
+    "grunt-contrib-uglify": "^3.0.1",
     "grunt-contrib-watch": "^1.0.0",
     "grunt-karma": "^2.0.0",
     "karma": "^1.4.1",