diff --git a/package.json b/package.json
index fa1494f..b41a21e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@fastify/env",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "Fastify plugin to check environment variables",
   "main": "index.js",
   "scripts": {