diff --git a/package.json b/package.json
index b6be9b7..339a545 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   ],
   "description": "The official CKEditor 5 instance inspector.",
   "license": "GPL-2.0-or-later",
-  "version": "3.1.1",
+  "version": "4.0.0",
   "engines": {
     "node": ">=14.0.0",
     "npm": ">=5.7.1"