diff --git a/package.json b/package.json
index ec9db9b..3198433 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "__IMPORTANT__": "This file won't be published. See `src/ckeditor/package.json`, which will be published on NPM.",
   "name": "@ckeditor/ckeditor5-angular",
-  "version": "8.0.0",
+  "version": "9.0.0-alpha.0",
   "private": true,
   "description": "Official Angular component for CKEditor 5 – the best browser-based rich text editor.",
   "scripts": {