diff --git a/package.json b/package.json
index 80bee62f4f..304e4be0a1 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "serve": "^14.2.1",
     "serve-handler": "^6.1.5",
     "sniffy-mimetype": "^1.1.1",
-    "typescript": "^5.3.3",
+    "typescript": "^5.4.2",
     "vnu-jar": "^23.4.11",
     "webidl2": "^24.4.1"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4dc07a5493..4de1400d79 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -16,7 +16,7 @@ dependencies:
     version: 12.0.1
   puppeteer:
     specifier: ^22.4.0
-    version: 22.4.0(typescript@5.3.3)
+    version: 22.4.0(typescript@5.4.2)
   sade:
     specifier: ^1.8.1
     version: 1.8.1
@@ -131,8 +131,8 @@ devDependencies:
     specifier: ^1.1.1
     version: 1.1.1
   typescript:
-    specifier: ^5.3.3
-    version: 5.3.3
+    specifier: ^5.4.2
+    version: 5.4.2
   vnu-jar:
     specifier: ^23.4.11
     version: 23.4.11
@@ -1243,7 +1243,7 @@ packages:
       vary: 1.1.2
     dev: true
 
-  /cosmiconfig@9.0.0(typescript@5.3.3):
+  /cosmiconfig@9.0.0(typescript@5.4.2):
     resolution: {integrity: sha512-itvL5h8RETACmOTFc4UfIyB2RfEHi71Ax6E/PivVxq9NseKbOWpeyHEOIbmAw1rs8Ak0VursQNww7lf7YtUwzg==}
     engines: {node: '>=14'}
     peerDependencies:
@@ -1256,7 +1256,7 @@ packages:
       import-fresh: 3.3.0
       js-yaml: 4.1.0
       parse-json: 5.2.0
-      typescript: 5.3.3
+      typescript: 5.4.2
     dev: false
 
   /cross-fetch@4.0.0:
@@ -3403,14 +3403,14 @@ packages:
       - utf-8-validate
     dev: false
 
-  /puppeteer@22.4.0(typescript@5.3.3):
+  /puppeteer@22.4.0(typescript@5.4.2):
     resolution: {integrity: sha512-tR+JsDbA2qD1DqRX4F9k9SxQhk6UzcaCN+Qux7+WrDceS7wcR7tlFmMNB8+g8zE4Fmr/iRTOtf5wNnTW9cGUFQ==}
     engines: {node: '>=18'}
     hasBin: true
     requiresBuild: true
     dependencies:
       '@puppeteer/browsers': 2.1.0
-      cosmiconfig: 9.0.0(typescript@5.3.3)
+      cosmiconfig: 9.0.0(typescript@5.4.2)
       puppeteer-core: 22.4.0
     transitivePeerDependencies:
       - bufferutil
@@ -4176,8 +4176,8 @@ packages:
     hasBin: true
     dev: true
 
-  /typescript@5.3.3:
-    resolution: {integrity: sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==}
+  /typescript@5.4.2:
+    resolution: {integrity: sha512-+2/g0Fds1ERlP6JsakQQDXjZdZMM+rqpamFZJEKh4kwTIn3iDkgKtby0CeNd5ATNZ4Ry1ax15TMx0W2V+miizQ==}
     engines: {node: '>=14.17'}
     hasBin: true