diff --git a/package.json b/package.json
index d681d9985..ef961c566 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
     "homepage": "http://www.raptor-editor.com/",
     "version": "1.1.4",
     "dependencies": {
-        "uglify-js": "2.3.6",
+        "uglify-js": "3.6.1",
         "clean-css": "1.0.10"
     }
 }