diff --git a/package.json b/package.json
index 0e1ac35..87bc962 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "grunt-contrib-concat": "^1.0.0",
     "grunt-contrib-connect": "^0.11.2",
     "grunt-contrib-jshint": "^1.0.0",
-    "grunt-contrib-uglify": "^0.11.0",
+    "grunt-contrib-uglify": "^1.0.0",
     "grunt-contrib-watch": "^0.6.1",
     "grunt-qunit-istanbul": "^0.6.0",
     "grunt-saucelabs": "^8.6.1",