diff --git a/package.json b/package.json
index 96c0367..5763d9e 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "@opentelemetry/sdk-trace-base": "^1.5.0",
     "@opentelemetry/sdk-trace-node": "^1.5.0",
     "@opentelemetry/semantic-conventions": "^1.5.0",
-    "fastify": ">4.4.0",
+    "fastify": "5.7.3",
     "level": "^8.0.0",
     "node": "16.16.0",
     "ts-node": "^10.9.1",