diff --git a/packages/interop/package.json b/packages/interop/package.json
index 530c3f3..697946f 100644
--- a/packages/interop/package.json
+++ b/packages/interop/package.json
@@ -124,7 +124,7 @@
     "@libp2p/interface": "^2.0.1",
     "@libp2p/kad-dht": "^13.0.1",
     "aegir": "^44.1.1",
-    "fastify": "^4.28.1",
+    "fastify": "^5.0.0",
     "helia": "next",
     "ipns": "^10.0.0",
     "it-first": "^3.0.6",
diff --git a/packages/server/package.json b/packages/server/package.json
index 076a910..de101de 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -154,11 +154,11 @@
     "release": "aegir release"
   },
   "dependencies": {
-    "@fastify/cors": "^9.0.1",
+    "@fastify/cors": "^10.0.1",
     "@helia/interface": "next",
     "@libp2p/interface": "^2.0.1",
     "@libp2p/peer-id": "^5.0.1",
-    "fastify": "^4.28.1",
+    "fastify": "^5.0.0",
     "ipns": "^10.0.0",
     "multiformats": "^13.3.0",
     "raw-body": "^3.0.0"