diff --git a/workers/package-lock.json b/workers/package-lock.json
index a6d2908..c146748 100644
--- a/workers/package-lock.json
+++ b/workers/package-lock.json
@@ -12,7 +12,7 @@
         "hono": "^4.0.0"
       },
       "devDependencies": {
-        "@cloudflare/workers-types": "^4.0.0",
+        "@cloudflare/workers-types": "^4.20251004.0",
         "@typescript-eslint/eslint-plugin": "^7.18.0",
         "@typescript-eslint/parser": "^7.18.0",
         "@vitest/ui": "^1.0.0",
@@ -148,9 +148,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20250918.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20250918.0.tgz",
-      "integrity": "sha512-mqTyfBPYUrUfHwnmLOnBTBrtEiuO45MIVxvbJ1blivIZC+0YMFskQnrcPn1txQM2S4LKnwmFv1XMgjt0qMma1Q==",
+      "version": "4.20251004.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20251004.0.tgz",
+      "integrity": "sha512-FkTBHEyOBwphbW4SLQ2XLCgNntD2wz0v1Si7NwJeN0JAPW/39/w6zhsKy3rsh+203tuSfBgsoP34+Os4RaySOw==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
diff --git a/workers/package.json b/workers/package.json
index 350629e..ca22d6a 100644
--- a/workers/package.json
+++ b/workers/package.json
@@ -32,7 +32,7 @@
     "hono": "^4.0.0"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.0.0",
+    "@cloudflare/workers-types": "^4.20251004.0",
     "@vitest/ui": "^1.0.0",
     "eslint": "^8.0.0",
     "prettier": "^3.0.0",