diff --git a/README.md b/README.md
index 1441858..1678b28 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@
 | 名称       | バージョン |
 | ---------- | ---------- |
 | Node.js    | 20.10.0    |
-| Typescript | 5.1.3      |
+| Typescript | 5.3.2      |
 
 上記以外のパッケージは、dependabot によってバージョン管理している。
 
diff --git a/package-lock.json b/package-lock.json
index b2bd0c2..eb64c54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "@types/qs": "^6.9.10",
         "@types/uuid": "^9.0.7",
         "ts-node": "^10.9.1",
-        "typescript": "^5.1.3"
+        "typescript": "^5.3.2"
       }
     },
     "node_modules/@azure/abort-controller": {
@@ -1013,9 +1013,9 @@
       "integrity": "sha512-336iVw3rtn2BUK7ORdIAHTyxHGRIHVReokCR3XjbckJMK7ms8FysBfhLR8IXnAgy7T0PTPNBWKiH514FOW/WSg=="
     },
     "node_modules/typescript": {
-      "version": "5.1.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.3.tgz",
-      "integrity": "sha512-XH627E9vkeqhlZFQuL+UsyAXEnibT0kWR2FWONlr4sTjvxyJYnyefgrkyECLzM5NenmKzRAy2rR/OlYLA1HkZw==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.2.tgz",
+      "integrity": "sha512-6l+RyNy7oAHDfxC4FzSJcz9vnjTKxrLpDG5M2Vu4SHRVNg6xzqZp6LYSR9zjqQTu8DU/f5xwxUdADOkbrIX2gQ==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -1826,9 +1826,9 @@
       "integrity": "sha512-336iVw3rtn2BUK7ORdIAHTyxHGRIHVReokCR3XjbckJMK7ms8FysBfhLR8IXnAgy7T0PTPNBWKiH514FOW/WSg=="
     },
     "typescript": {
-      "version": "5.1.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.1.3.tgz",
-      "integrity": "sha512-XH627E9vkeqhlZFQuL+UsyAXEnibT0kWR2FWONlr4sTjvxyJYnyefgrkyECLzM5NenmKzRAy2rR/OlYLA1HkZw==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.2.tgz",
+      "integrity": "sha512-6l+RyNy7oAHDfxC4FzSJcz9vnjTKxrLpDG5M2Vu4SHRVNg6xzqZp6LYSR9zjqQTu8DU/f5xwxUdADOkbrIX2gQ==",
       "dev": true
     },
     "undici-types": {
diff --git a/package.json b/package.json
index 8855315..954df30 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,6 @@
     "@types/qs": "^6.9.10",
     "@types/uuid": "^9.0.7",
     "ts-node": "^10.9.1",
-    "typescript": "^5.1.3"
+    "typescript": "^5.3.2"
   }
 }