diff --git a/package.json b/package.json
index a8cb8692..36cea2b9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "derby",
   "description": "MVC framework making it easy to write realtime, collaborative applications that run in both Node.js and browsers.",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "homepage": "http://derbyjs.com/",
   "repository": {
     "type": "git",