diff --git a/package.json b/package.json
index 8e6f3fd..b53828f 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "devDependencies": {
         "@ava/typescript": "2.0.0",
         "@keiryo/eslint-config": "^1.0.1",
-        "@types/node": "v14",
+        "@types/node": "18",
         "@typescript-eslint/eslint-plugin": "4.31.2",
         "@typescript-eslint/parser": "4.31.2",
         "ava": "3.15.0",
diff --git a/yarn.lock b/yarn.lock
index 1fdefd4..06d23cf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -124,10 +124,10 @@
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.9.tgz#97edc9037ea0c38585320b28964dde3b39e4660d"
   integrity sha512-qcUXuemtEu+E5wZSJHNxUXeCZhAfXKQ41D+duX+VYPde7xyEVZci+/oXKJL13tnRs9lR2pr4fod59GT6/X1/yQ==
 
-"@types/node@v14":
-  version "14.17.19"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.17.19.tgz#7341e9ac1b5d748d7a3ddc04336ed536a6f91c31"
-  integrity sha512-jjYI6NkyfXykucU6ELEoT64QyKOdvaA6enOqKtP4xUsGY0X0ZUZz29fUmrTRo+7v7c6TgDu82q3GHHaCEkqZwA==
+"@types/node@18":
+  version "18.11.9"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-18.11.9.tgz#02d013de7058cea16d36168ef2fc653464cfbad4"
+  integrity sha512-CRpX21/kGdzjOpFsZSkcrXMGIBWMGNIHXXBVFSH+ggkftxg+XYP20TESbh+zFvFj3EQOl5byk0HTRn1IL6hbqg==
 
 "@types/normalize-package-data@^2.4.0":
   version "2.4.0"