diff --git a/package.json b/package.json
index 1d4f4c3..cdce4dd 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "hono": "^4.9.2"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20250816.0",
+    "@cloudflare/workers-types": "^4.20250906.0",
     "@eslint/eslintrc": "^3.3.1",
     "@eslint/js": "^9.32.0",
     "@types/node": "^24.3.0",
diff --git a/yarn.lock b/yarn.lock
index 9894eab..a21d8a8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -39,10 +39,10 @@
   resolved "https://registry.yarnpkg.com/@cloudflare/workerd-windows-64/-/workerd-windows-64-1.20250813.0.tgz#624c3cc86bffc6a262f0ddfccf8f439ab176229b"
   integrity sha512-Fs62NvUajtoXb+4W8jaRXzw64Nbmb8X+PbRLZbxUFv68sGhxKPw1nB1YEmNNZ215ma47hTlSdF3UQh4FOmz7NA==
 
-"@cloudflare/workers-types@^4.20250816.0":
-  version "4.20250816.0"
-  resolved "https://registry.yarnpkg.com/@cloudflare/workers-types/-/workers-types-4.20250816.0.tgz#f2dd362ec43fd0ec6eeb22f60abd5d657a85c494"
-  integrity sha512-R9ADrrINo1CqTwCddH39Tjlsc3grim6KeO7l8yddNbldH3uTkaAXYCzO0WiyLG7irLzLDrZVc4tLhN6BO3tdFw==
+"@cloudflare/workers-types@^4.20250906.0":
+  version "4.20250906.0"
+  resolved "https://registry.yarnpkg.com/@cloudflare/workers-types/-/workers-types-4.20250906.0.tgz#62906d9ab90cf751d921b338c054057029dfac64"
+  integrity sha512-CMRTupQpAdNZJrxRGaM2JzxmpWOnzgxcyTGmjAOcosRfi1ZsNUTAZ0kj1dzY+4bPDIdFwvvJL3t91DEpqitOJg==
 
 "@cspotcode/source-map-support@0.8.1":
   version "0.8.1"