diff --git a/backend/package.json b/backend/package.json
index 807f66b..e2b6fc3 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -24,7 +24,7 @@
     "@fastify/cors": "^9.0.1",
     "@fastify/static": "^7.0.4",
     "better-sqlite3": "^11.3.0",
-    "fastify": "^4.28.1"
+    "fastify": "^5.8.5"
   },
   "devDependencies": {
     "@types/better-sqlite3": "^7.6.11",