diff --git a/package.json b/package.json
index 46d9e2e..75a472f 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "react": "0.13.3",
     "reactify": "1.1.1",
     "stylus": "0.52.0",
-    "uglify-js": "2.4.24",
+    "uglify-js": "3.6.8",
     "watchify": "3.3.0"
   }
 }