diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b00276..7deb9f2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ on:
 
 jobs:
   test:
-    uses: fastify/workflows/.github/workflows/plugins-ci.yml@v3
+    uses: fastify/workflows/.github/workflows/plugins-ci.yml@v4.2.0
     with:
       license-check: true
       lint: true
diff --git a/index.js b/index.js
index 26cd9ec..f795882 100644
--- a/index.js
+++ b/index.js
@@ -35,7 +35,7 @@ async function restartable (factory, opts, fastify = defaultFastify) {
       restoreClientErrorListeners(server, clientErrorListeners)
 
       // In case if fastify.listen() would throw an error
-      // istanbul ignore next
+      /* c8 ignore next 3 */
       if (newApp !== null) {
         await closeApplication(newApp)
       }
@@ -74,7 +74,7 @@ async function restartable (factory, opts, fastify = defaultFastify) {
     function serverFactory (handler, options) {
       // this cause an uncaughtException because of the bug in Fastify
       // see: https://github.com/fastify/fastify/issues/4730
-      // istanbul ignore next
+      /* c8 ignore next 6 */
       if (++createServerCounter > 1) {
         throw new Error(
           'Cannot create multiple server bindings for a restartable application. ' +
@@ -152,14 +152,14 @@ function wrapServer (server) {
   const _close = server.close.bind(server)
   server.close = (cb) => server[closingServer] ? _close(cb) : cb()
 
-  // istanbul ignore next
+  /* c8 ignore next 5 */
   // closeAllConnections was added in Nodejs v18.2.0
   if (server.closeAllConnections) {
     const _closeAllConnections = server.closeAllConnections.bind(server)
     server.closeAllConnections = () => server[closingServer] && _closeAllConnections()
   }
 
-  // istanbul ignore next
+  /* c8 ignore next 5 */
   // closeIdleConnections was added in Nodejs v18.2.0
   if (server.closeIdleConnections) {
     const _closeIdleConnections = server.closeIdleConnections.bind(server)
diff --git a/lib/server.js b/lib/server.js
index 5e7ad01..091b1f0 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -36,10 +36,9 @@ function getServerInstance (options, httpHandler) {
 function http2 () {
   try {
     return require('node:http2')
-  } catch (err) {
-    // istanbul ignore next
+  } /* c8 ignore start */ catch (err) {
     throw new FST_ERR_HTTP2_INVALID_VERSION()
-  }
+  } /* c8 ignore end */
 }
 
 function sessionTimeout (timeout) {
diff --git a/package.json b/package.json
index e747cdf..234e71c 100644
--- a/package.json
+++ b/package.json
@@ -29,17 +29,17 @@
   },
   "homepage": "https://github.com/fastify/restartable#readme",
   "devDependencies": {
-    "@fastify/pre-commit": "^2.0.2",
-    "@types/node": "^20.1.0",
+    "@fastify/pre-commit": "^2.1.0",
+    "@types/node": "^20.12.7",
     "snazzy": "^9.0.0",
-    "split2": "^4.1.0",
-    "standard": "^17.0.0-2",
-    "tap": "^16.0.0",
-    "tsd": "^0.30.0",
-    "undici": "^5.0.0"
+    "split2": "^4.2.0",
+    "standard": "^17.1.0",
+    "tap": "^18.7.2",
+    "tsd": "^0.31.0",
+    "undici": "^6.13.0"
   },
   "dependencies": {
-    "fastify": "^4.16.3"
+    "fastify": "^4.26.2"
   },
   "pre-commit": [
     "lint",