diff --git a/package.json b/package.json
index 361b47079..b85d744e7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ckeditor/ckeditor5-engine",
-  "version": "1.0.0-beta.2",
+  "version": "1.0.0-beta.4",
   "description": "CKEditor 5 editing engine.",
   "keywords": [
     "ckeditor5-lib",