diff --git a/package.json b/package.json
index 852b1de..0076d7a 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,6 @@
     "textlint-rule-preset-ja-technical-writing": "^10.0.1",
     "textlint-rule-spellcheck-tech-word": "^5.0.0",
     "ts-jest": "^29.1.2",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.5"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index f44df35..bb54396 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9622,10 +9622,10 @@ typed-array-length@^1.0.5:
     is-typed-array "^1.1.13"
     possible-typed-array-names "^1.0.0"
 
-typescript@^5.3.3:
-  version "5.4.3"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz"
-  integrity sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==
+typescript@^5.3.3, typescript@^5.4.5:
+  version "5.4.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.5.tgz#42ccef2c571fdbd0f6718b1d1f5e6e5ef006f611"
+  integrity sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==
 
 ua-parser-js@^1.0.37:
   version "1.0.37"