diff --git a/package.json b/package.json
index db0b14bb1..3c4065e91 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "matrix-js-sdk",
-  "version": "0.11.1",
+  "version": "0.12.0-rc.1",
   "description": "Matrix Client-Server SDK for Javascript",
   "main": "index.js",
   "scripts": {