diff --git a/README.md b/README.md
index de9c337..b56f916 100644
--- a/README.md
+++ b/README.md
@@ -290,9 +290,10 @@ and has a set of utilities used internally that can be useful when implementing
 
 |  | Version        |
 | ---     | ---            |
-| fastify | `>=4.0.0`        |
+| fastify | `^5.0.0`        |
 | sentry | `^7.0.0`        |
 | Node.js | `>=18` |
+
 ## Powered Apps
 
 `fastify-sentry` was created by the amazing Node.js team at [ImmobiliareLabs](https://github.com/immobiliare), the Tech dept of [Immobiliare.it](https://www.immobiliare.it), the #1 real estate company in Italy.
diff --git a/index.js b/index.js
index 25208e5..f82fbe3 100644
--- a/index.js
+++ b/index.js
@@ -36,7 +36,7 @@ const fastifySentry = function (fastify, opts, next) {
 
 module.exports = fp(fastifySentry, {
   name: '@immobiliarelabs/fastify-sentry',
-  fastify: '4.x',
+  fastify: '5.x',
 });
 module.exports.default = fastifySentry;
 module.exports.fastifySentry = fastifySentry;
diff --git a/package.json b/package.json
index d94dd32..ea01551 100644
--- a/package.json
+++ b/package.json
@@ -63,9 +63,7 @@
   },
   "devDependencies": {
     "@arethetypeswrong/cli": "^0.13.4",
-    "@commitlint/cli": "^18.4.3",
-    "@commitlint/config-conventional": "^18.4.3",
-    "@fastify/sensible": "^5.1.0",
+    "@fastify/sensible": "^6.0.1",
     "@saithodev/semantic-release-backmerge": "^4.0.1",
     "@semantic-release/changelog": "^6.0.0",
     "@semantic-release/commit-analyzer": "^11.0.0",
@@ -77,12 +75,11 @@
     "@types/node": "^20.1.0",
     "autocannon": "^7.4.0",
     "concurrently": "^8.0.1",
-    "cz-conventional-changelog": "^3.2.0",
     "eslint": "^8.0.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^5.0.0",
-    "fastify": "^4.0.3",
+    "fastify": "^5.1.0",
     "husky": "^8.0.0",
     "is-ci": "^3.0.0",
     "lint-staged": "^15.2.0",
@@ -94,11 +91,6 @@
     "tsd": "^0.30.0",
     "typescript": "^5.0.2"
   },
-  "config": {
-    "commitizen": {
-      "path": "./node_modules/cz-conventional-changelog"
-    }
-  },
   "types": "./index.d.ts",
   "tsd": {
     "directory": "test/types"
@@ -108,6 +100,6 @@
     "@sentry/tracing": "^7.105.0",
     "@sentry/utils": "^7.105.0",
     "cookie": "^0.7.0",
-    "fastify-plugin": "^4.3.0"
+    "fastify-plugin": "^5.0.1"
   }
 }
diff --git a/tap-snapshots/test/plugin.test.js.test.cjs b/tap-snapshots/test/plugin.test.js.test.cjs
index 3bc3ebf..67c98bd 100644
--- a/tap-snapshots/test/plugin.test.js.test.cjs
+++ b/tap-snapshots/test/plugin.test.js.test.cjs
@@ -54,7 +54,7 @@ Object {
     },
     "method": "GET",
     "query_string": Object {},
-    "url": "http://localhost:80/oops",
+    "url": "http://localhost/oops",
   },
   "tags": undefined,
   "transaction": "GET /oops",
@@ -82,7 +82,7 @@ Object {
     },
     "method": "POST",
     "query_string": Object {},
-    "url": "http://localhost:80/body",
+    "url": "http://localhost/body",
   },
   "tags": undefined,
   "transaction": "POST /body",
@@ -107,7 +107,7 @@ Object {
     },
     "method": "GET",
     "query_string": Object {},
-    "url": "http://localhost:80/oops",
+    "url": "http://localhost/oops",
     "user": Object {
       "email": "some@example.com",
       "username": "some",
@@ -141,7 +141,7 @@ Object {
     },
     "method": "POST",
     "query_string": Object {},
-    "url": "http://localhost:80/body",
+    "url": "http://localhost/body",
     "user": Object {
       "email": "some@example.com",
       "username": "some",
diff --git a/test/fixtures/cjs/package.json b/test/fixtures/cjs/package.json
index 9bd27e5..4077ab0 100644
--- a/test/fixtures/cjs/package.json
+++ b/test/fixtures/cjs/package.json
@@ -11,6 +11,6 @@
   "license": "ISC",
   "dependencies": {
     "@immobiliarelabs/fastify-sentry": "file:../pack.tgz",
-    "fastify": "^4.21.0"
+    "fastify": "^5.1.0"
   }
 }
diff --git a/test/fixtures/esm/package.json b/test/fixtures/esm/package.json
index b1e1f69..a1d1510 100644
--- a/test/fixtures/esm/package.json
+++ b/test/fixtures/esm/package.json
@@ -11,6 +11,6 @@
   "license": "ISC",
   "dependencies": {
     "@immobiliarelabs/fastify-sentry": "file:../pack.tgz",
-    "fastify": "^4.21.0"
+    "fastify": "^5.1.0"
   }
 }
diff --git a/test/plugin.test.js b/test/plugin.test.js
index 7002e37..a6a8586 100644
--- a/test/plugin.test.js
+++ b/test/plugin.test.js
@@ -2,7 +2,6 @@
 
 const tap = require('tap');
 const { defaultIntegrations } = require('@sentry/node');
-const sensible = require('@fastify/sensible');
 const {
   setup,
   resetModuleCache,
@@ -161,29 +160,6 @@ tap.test('event with transactions enabled', async (t) => {
   t.matchSnapshot(extractMetaFromEvent(report));
 });
 
-tap.test('@fastify/sensible explicit internal errors support', async (t) => {
-  const app = await setup(
-    { dsn: DSN, environment: 'fastify-sentry-test' },
-    async (s) => {
-      s.register(sensible);
-    },
-    async (s) => {
-      s.get('/sensible', async function () {
-        throw this.httpErrors.internalServerError('My Error');
-      });
-    }
-  );
-  const response = await app.inject({
-    method: 'GET',
-    path: '/sensible',
-  });
-  t.equal(500, response.statusCode);
-  await app.Sentry.flush();
-  t.equal(testkit.reports().length, 1);
-  const payload = JSON.parse(response.payload);
-  t.equal('My Error', payload.message);
-});
-
 tap.test('custom `shouldHandleError`', async (t) => {
   const app = await setup({
     shouldHandleError: () => false,
diff --git a/utils.js b/utils.js
index aafc817..33095b6 100644
--- a/utils.js
+++ b/utils.js
@@ -104,7 +104,7 @@ exports.shouldHandleError = shouldHandleError;
 
 const errorResponse = function (error, request, reply) {
   // @fastify/sensible explicit internal errors support
-  if (reply.statusCode === 500 && error.explicitInternalServerError !== true) {
+  if (reply.statusCode === 500) {
     reply.send(new Error('Something went wrong'));
   } else {
     reply.send(error);