diff --git a/package.json b/package.json
index fb59f2d..bb7492f 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
   },
   "browserify": {
     "transform": [
-      "babelify"
+      ["babelify", {"stage": 0}]
     ]
   }
 }