diff --git a/package.json b/package.json
index 8ad7c38f3..5fd9e89cd 100644
--- a/package.json
+++ b/package.json
@@ -113,7 +113,7 @@
     "standard-version": "9.5.0",
     "supertest": "6.3.3",
     "ts-node": "10.9.2",
-    "typescript": "5.2.2",
+    "typescript": "5.3.3",
     "verdaccio-auth-memory": "10.2.2",
     "verdaccio-memory": "10.3.2"
   },
diff --git a/src/lib/bootstrap.ts b/src/lib/bootstrap.ts
index fc99a5229..4107cd937 100644
--- a/src/lib/bootstrap.ts
+++ b/src/lib/bootstrap.ts
@@ -7,7 +7,7 @@ import https from 'https';
 import { assign, isFunction, isObject } from 'lodash';
 import URL from 'url';
 
-import { Callback, ConfigWithHttps, HttpsConfKeyCert, HttpsConfPfx } from '@verdaccio/types';
+import { Callback, ConfigYaml, HttpsConfKeyCert, HttpsConfPfx } from '@verdaccio/types';
 
 import endPointAPI from '../api/index';
 import { getListListenAddresses, resolveConfigPath } from './cli/utils';
@@ -39,7 +39,7 @@ function displayExperimentsInfoBox(experiments) {
  * @deprecated use runServer instead
  */
 function startVerdaccio(
-  config: any,
+  config: ConfigYaml,
   cliListen: string,
   configPath: string,
   pkgVersion: string,
@@ -69,11 +69,7 @@ function startVerdaccio(
         // http
         webServer = http.createServer(app);
       }
-      if (
-        config.server &&
-        typeof config.server.keepAliveTimeout !== 'undefined' &&
-        config.server.keepAliveTimeout !== 'null'
-      ) {
+      if (typeof config?.server?.keepAliveTimeout === 'number') {
         // library definition for node is not up to date (doesn't contain recent 8.0 changes)
         webServer.keepAliveTimeout = config.server.keepAliveTimeout * 1000;
       }
@@ -124,7 +120,7 @@ function logHTTPSWarning(storageLocation) {
 function handleHTTPS(
   app: express.Application,
   configPath: string,
-  config: ConfigWithHttps
+  config: ConfigYaml
 ): https.Server {
   try {
     let httpsOptions = {
diff --git a/yarn.lock b/yarn.lock
index 45be235a2..7aa726e53 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11316,23 +11316,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:5.2.2":
-  version: 5.2.2
-  resolution: "typescript@npm:5.2.2"
+"typescript@npm:5.3.3":
+  version: 5.3.3
+  resolution: "typescript@npm:5.3.3"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: d65e50eb849bd21ff8677e5b9447f9c6e74777e346afd67754934264dcbf4bd59e7d2473f6062d9a015d66bd573311166357e3eb07fea0b52859cf9bb2b58555
+  checksum: 6e4e6a14a50c222b3d14d4ea2f729e79f972fa536ac1522b91202a9a65af3605c2928c4a790a4a50aa13694d461c479ba92cedaeb1e7b190aadaa4e4b96b8e18
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A5.2.2#optional!builtin<compat/typescript>":
-  version: 5.2.2
-  resolution: "typescript@patch:typescript@npm%3A5.2.2#optional!builtin<compat/typescript>::version=5.2.2&hash=f3b441"
+"typescript@patch:typescript@npm%3A5.3.3#optional!builtin<compat/typescript>":
+  version: 5.3.3
+  resolution: "typescript@patch:typescript@npm%3A5.3.3#optional!builtin<compat/typescript>::version=5.3.3&hash=e012d7"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: f79cc2ba802c94c2b78dbb00d767a10adb67368ae764709737dc277273ec148aa4558033a03ce901406b35fddf4eac46dabc94a1e1d12d2587e2b9cfe5707b4a
+  checksum: c93786fcc9a70718ba1e3819bab56064ead5817004d1b8186f8ca66165f3a2d0100fee91fa64c840dcd45f994ca5d615d8e1f566d39a7470fc1e014dbb4cf15d
   languageName: node
   linkType: hard
 
@@ -11722,7 +11722,7 @@ __metadata:
     standard-version: "npm:9.5.0"
     supertest: "npm:6.3.3"
     ts-node: "npm:10.9.2"
-    typescript: "npm:5.2.2"
+    typescript: "npm:5.3.3"
     validator: "npm:13.11.0"
     verdaccio-audit: "npm:12.0.0-next.4"
     verdaccio-auth-memory: "npm:10.2.2"