diff --git a/lib/podlet-plugin.js b/lib/podlet-plugin.js
index be1061a..426d56c 100644
--- a/lib/podlet-plugin.js
+++ b/lib/podlet-plugin.js
@@ -81,5 +81,6 @@ export default fp(
     },
     {
         name: 'podium-podlet',
+        fastify: '5.x',
     },
 );
diff --git a/package.json b/package.json
index bb59af8..f7d8a5f 100644
--- a/package.json
+++ b/package.json
@@ -41,22 +41,22 @@
     "podium"
   ],
   "dependencies": {
-    "@podium/utils": "5.3.1",
-    "fastify-plugin": "4.5.1"
+    "@podium/utils": "5.3.2",
+    "fastify-plugin": "5.0.1"
   },
   "devDependencies": {
-    "@fastify/formbody": "7.4.0",
+    "@fastify/formbody": "8.0.1",
     "@podium/eslint-config": "1.0.0",
     "@podium/podlet": "5.1.18",
     "@podium/semantic-release-config": "2.0.0",
     "@podium/test-utils": "2.5.2",
     "@podium/typescript-config": "1.0.0",
     "eslint": "9.11.1",
-    "fastify": "4.28.1",
+    "fastify": "5.1.0",
     "npm-run-all2": "6.2.6",
     "prettier": "3.3.3",
     "semantic-release": "24.1.2",
-    "tap": "18.8.0",
+    "tap": "21.0.1",
     "typescript": "5.6.2"
   }
 }