diff --git a/package.json b/package.json
index 82bf8a1..d837509 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@fastify/accepts-serializer",
-  "version": "5.3.0",
+  "version": "6.0.0-pre.fv5.1",
   "description": "Serializer according to the accept header",
   "main": "index.js",
   "type": "commonjs",