diff --git a/package.json b/package.json
index cef2773..615f2ab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ckeditor/ckeditor5-heading",
-  "version": "17.0.0",
+  "version": "18.0.0",
   "description": "Headings feature for CKEditor 5.",
   "keywords": [
     "ckeditor",