diff --git a/package.json b/package.json
index 5389b13856f..4c0668d050b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "firebase",
-  "version": "4.1.5",
+  "version": "4.2.0",
   "description": "Firebase JavaScript library for web and Node.js",
   "author": "Firebase <firebase-support@google.com> (https://firebase.google.com/)",
   "license": "Apache-2.0",