diff --git a/package.json b/package.json
index e214047..d1daab9 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "@matteo.collina/tspl": "^0.1.1",
     "borp": "^0.17.0",
     "fast-querystring": "^1.1.2",
-    "fastify": "^4.24.3",
+    "fastify": "^5.0.0",
     "get-jwks": "^9.0.1",
     "jwks": "^1.0.0",
     "oidc-provider": "^8.4.5",