diff --git a/package.json b/package.json
index 6289bd886..75a8192f0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@webcomponents/webcomponentsjs",
-  "version": "1.0.0-rc.11",
+  "version": "1.0.0-rc.12",
   "description": "Web Components Polyfills",
   "main": "webcomponents-lite.js",
   "directories": {