diff --git a/index.js b/index.js
index 832bd7a..009beb6 100644
--- a/index.js
+++ b/index.js
@@ -91,7 +91,7 @@ function fastifyCaching (instance, options, next) {
 }
 
 module.exports = fp(fastifyCaching, {
-  fastify: '4.x',
+  fastify: '5.x',
   name: '@fastify/caching'
 })
 module.exports.default = fastifyCaching