diff --git a/package.json b/package.json
index a660d3c..0de243b 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "mime": "1.2.2",
     "underscore": "1.1.7",
     "coffee-script": "~1.6.2",
-    "uglify-js": "~2.2.5",
+    "uglify-js": "~3.6.8",
     "source-map": "~0.1.22",
     "graceful-fs": "~2.0.1"
   },