diff --git a/packages/webidl-dts-gen/package.json b/packages/webidl-dts-gen/package.json
index 9923282..5faeda5 100644
--- a/packages/webidl-dts-gen/package.json
+++ b/packages/webidl-dts-gen/package.json
@@ -27,7 +27,7 @@
     "LICENSE.md"
   ],
   "devDependencies": {
-    "@types/node": "^20.12.12",
+    "@types/node": "^22.10.2",
     "@types/webidl2": "^24.4.3",
     "@types/yargs": "^17.0.33",
     "@vitest/coverage-v8": "^2.1.1",
diff --git a/yarn.lock b/yarn.lock
index 3df3109..d5810bc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -742,12 +742,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:^20.12.12":
-  version: 20.16.5
-  resolution: "@types/node@npm:20.16.5"
+"@types/node@npm:^22.10.2":
+  version: 22.10.2
+  resolution: "@types/node@npm:22.10.2"
   dependencies:
-    undici-types: "npm:~6.19.2"
-  checksum: 6af7994129815010bcbc4cf8221865559c8116ff43e74a6549525c2108267596fc2d18aff5d5ecfe089fb60a119f975631343e2c65c52bfa0955ed9dc56733d6
+    undici-types: "npm:~6.20.0"
+  checksum: 2c7b71a040f1ef5320938eca8ebc946e6905caa9bbf3d5665d9b3774a8d15ea9fab1582b849a6d28c7fc80756a62c5666bc66b69f42f4d5dafd1ccb193cdb4ac
   languageName: node
   linkType: hard
 
@@ -2919,10 +2919,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"undici-types@npm:~6.19.2":
-  version: 6.19.8
-  resolution: "undici-types@npm:6.19.8"
-  checksum: 078afa5990fba110f6824823ace86073b4638f1d5112ee26e790155f481f2a868cc3e0615505b6f4282bdf74a3d8caad715fd809e870c2bb0704e3ea6082f344
+"undici-types@npm:~6.20.0":
+  version: 6.20.0
+  resolution: "undici-types@npm:6.20.0"
+  checksum: 68e659a98898d6a836a9a59e6adf14a5d799707f5ea629433e025ac90d239f75e408e2e5ff086afc3cace26f8b26ee52155293564593fbb4a2f666af57fc59bf
   languageName: node
   linkType: hard
 
@@ -3094,7 +3094,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "webidl-dts-gen@workspace:packages/webidl-dts-gen"
   dependencies:
-    "@types/node": "npm:^20.12.12"
+    "@types/node": "npm:^22.10.2"
     "@types/webidl2": "npm:^24.4.3"
     "@types/yargs": "npm:^17.0.33"
     "@vitest/coverage-v8": "npm:^2.1.1"