diff --git a/package.json b/package.json
index daef1a3..8d15a25 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
         "grunt-contrib-cssmin": "2.2.1",
         "grunt-contrib-jshint": "1.1.0",
         "grunt-contrib-qunit": "2.0.0",
-        "grunt-contrib-uglify": "3.3.0",
+        "grunt-contrib-uglify": "3.4.0",
         "grunt-contrib-watch": "1.0.0",
         "grunt-sass": "2.0.0",
         "grunt-retire": "1.0.7",