diff --git a/package.json b/package.json
index fe039d7..7fcf9b1 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "zod": "3.24.1"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "4.20250109.0",
+    "@cloudflare/workers-types": "4.20250121.0",
     "@praha/eslint-config-common": "3.0.6",
     "@praha/eslint-config-definer": "1.0.5",
     "@praha/eslint-config-javascript": "2.0.7",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 051e364..23c1f02 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -41,8 +41,8 @@ dependencies:
 
 devDependencies:
   '@cloudflare/workers-types':
-    specifier: 4.20250109.0
-    version: 4.20250109.0
+    specifier: 4.20250121.0
+    version: 4.20250121.0
   '@praha/eslint-config-common':
     specifier: 3.0.6
     version: 3.0.6(eslint@8.57.1)
@@ -72,7 +72,7 @@ devDependencies:
     version: 5.7.3
   wrangler:
     specifier: 3.103.2
-    version: 3.103.2(@cloudflare/workers-types@4.20250109.0)
+    version: 3.103.2(@cloudflare/workers-types@4.20250121.0)
 
 packages:
 
@@ -159,8 +159,8 @@ packages:
     dev: true
     optional: true
 
-  /@cloudflare/workers-types@4.20250109.0:
-    resolution: {integrity: sha512-Y1zgSaEOOevl9ORpzgMcm4j535p3nK2lrblHHvYM2yxR50SBKGh+wvkRFAIxWRfjUGZEU+Fp6923EGioDBbobA==}
+  /@cloudflare/workers-types@4.20250121.0:
+    resolution: {integrity: sha512-2bBosmudcwvUOKzuCL/Jum18LDh3QoU0QnTNMXIgcVwuq3LaNzyZnOW14bFXPhLU/84ZjNO3zO5R/U11Zgag2Q==}
     dev: true
 
   /@cspotcode/source-map-support@0.8.1:
@@ -3607,7 +3607,7 @@ packages:
       '@cloudflare/workerd-windows-64': 1.20241230.0
     dev: true
 
-  /wrangler@3.103.2(@cloudflare/workers-types@4.20250109.0):
+  /wrangler@3.103.2(@cloudflare/workers-types@4.20250121.0):
     resolution: {integrity: sha512-eYcnubPhPBU1QMZYTam+vfCLpaQx+x1EWA6nFbLhid1eqNDAk1dNwNlbo+ZryrOHDEX3XlOxn2Z3Fx8vVv3hKw==}
     engines: {node: '>=16.17.0'}
     hasBin: true
@@ -3618,7 +3618,7 @@ packages:
         optional: true
     dependencies:
       '@cloudflare/kv-asset-handler': 0.3.4
-      '@cloudflare/workers-types': 4.20250109.0
+      '@cloudflare/workers-types': 4.20250121.0
       '@esbuild-plugins/node-globals-polyfill': 0.2.3(esbuild@0.17.19)
       '@esbuild-plugins/node-modules-polyfill': 0.2.2(esbuild@0.17.19)
       blake3-wasm: 2.1.5