diff --git a/package.json b/package.json
index 2bde5b5..230f337 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "devDependencies": {
     "@matteo.collina/tspl": "^0.1.1",
     "borp": "^0.17.0",
-    "fastify": "^4.26.0",
+    "fastify": "^5.0.0",
     "platformatic": "^1.23.0",
     "standard": "^17.1.0"
   },