diff --git a/package.json b/package.json
index 4d2be4b..4a9233d 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "devDependencies": {
         "@ava/typescript": "2.0.0",
         "@keiryo/eslint-config": "^1.0.1",
-        "@types/node": "16.9.6",
+        "@types/node": "18.15.6",
         "@types/ws": "^8.2.0",
         "@typescript-eslint/eslint-plugin": "4.31.2",
         "@typescript-eslint/parser": "4.31.2",
diff --git a/yarn.lock b/yarn.lock
index 793aab5..e3fa292 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -140,10 +140,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-16.10.1.tgz#f3647623199ca920960006b3dccf633ea905f243"
   integrity sha512-4/Z9DMPKFexZj/Gn3LylFgamNKHm4K3QDi0gz9B26Uk0c8izYf97B5fxfpspMNkWlFupblKM/nV8+NA9Ffvr+w==
 
-"@types/node@16.9.6":
-  version "16.9.6"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-16.9.6.tgz#040a64d7faf9e5d9e940357125f0963012e66f04"
-  integrity sha512-YHUZhBOMTM3mjFkXVcK+WwAcYmyhe1wL4lfqNtzI0b3qAy7yuSetnM7QJazgE5PFmgVTNGiLOgRFfJMqW7XpSQ==
+"@types/node@18.15.6":
+  version "18.15.6"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-18.15.6.tgz#af98ef4a36e7ac5f2d03040f3109fcce972bf6cb"
+  integrity sha512-YErOafCZpK4g+Rp3Q/PBgZNAsWKGunQTm9FA3/Pbcm0VCriTEzcrutQ/SxSc0rytAp0NoFWue669jmKhEtd0sA==
 
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"