diff --git a/package.json b/package.json
index 643d1fc0b..458b984ae 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "desugaring",
     "ES6"
   ],
-  "version": "0.4.12",
+  "version": "0.5.0",
   "homepage": "http://github.com/facebook/regenerator",
   "repository": {
     "type": "git",