diff --git a/package.json b/package.json
index a5c76f1..229363e 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "mocha": "^2.3.3",
     "react": "^0.14.1",
     "react-dom": "^0.14.4",
-    "uglify-js": "^2.4.16",
+    "uglify-js": "^2.7.0",
     "webpack": "^1.12.9"
   }
 }