diff --git a/package.json b/package.json
index f502443..01ba0a8 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "license": "MIT",
   "devDependencies": {
     "@types/node": "^22.0.0",
-    "fastify": "^4.6.0",
+    "fastify": "^5.0.0",
     "husky": "^9.0.11",
     "nodemon": "^3.0.1",
     "snazzy": "^9.0.0",