diff --git a/package.json b/package.json
index 50840e9..02d7a62 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "typescript": "^4.8.4",
+    "typescript": "^5.0.0",
     "vite": "^3.2.3"
   },
   "dependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 42b5232..afcbb91 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -2,14 +2,14 @@ lockfileVersion: 5.4
 
 specifiers:
   '@akrc/nashi': 0.2.1
-  typescript: ^4.8.4
+  typescript: ^5.0.0
   vite: ^3.2.3
 
 dependencies:
   '@akrc/nashi': 0.2.1
 
 devDependencies:
-  typescript: 4.8.4
+  typescript: 5.0.2
   vite: 3.2.3
 
 packages:
@@ -321,9 +321,9 @@ packages:
     engines: {node: '>= 0.4'}
     dev: true
 
-  /typescript/4.8.4:
-    resolution: {integrity: sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==}
-    engines: {node: '>=4.2.0'}
+  /typescript/5.0.2:
+    resolution: {integrity: sha512-wVORMBGO/FAs/++blGNeAVdbNKtIh1rbBL2EyQ1+J9lClJ93KiiKe8PmFIVdXhHcyv44SL9oglmfeSsndo0jRw==}
+    engines: {node: '>=12.20'}
     hasBin: true
     dev: true