diff --git a/plugins/node/opentelemetry-instrumentation-fastify/package.json b/plugins/node/opentelemetry-instrumentation-fastify/package.json
index 7e8357db94..9d110cccc1 100644
--- a/plugins/node/opentelemetry-instrumentation-fastify/package.json
+++ b/plugins/node/opentelemetry-instrumentation-fastify/package.json
@@ -55,7 +55,7 @@
     "@types/express": "4.17.18",
     "@types/mocha": "7.0.2",
     "@types/node": "18.15.3",
-    "fastify": "4.24.3",
+    "fastify": "4.18.0",
     "mocha": "7.2.0",
     "nyc": "15.1.0",
     "rimraf": "5.0.5",