diff --git a/package-lock.json b/package-lock.json
index ee7f0c1..d87e5c7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
 				"hono": "^4.11.3"
 			},
 			"devDependencies": {
-				"@cloudflare/workers-types": "^4.20251229.0",
+				"@cloudflare/workers-types": "^4.20260103.0",
 				"wrangler": "^4.56.0"
 			}
 		},
@@ -128,9 +128,9 @@
 			}
 		},
 		"node_modules/@cloudflare/workers-types": {
-			"version": "4.20251229.0",
-			"resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20251229.0.tgz",
-			"integrity": "sha512-LgzxDZaT9bQhycQInf7S/fcZCQRTvWWQPE9xnEyedI+CXxWsXAD7hg84kvVyr+KUz+W9Oblzo75g6XZ3HdI5Yg==",
+			"version": "4.20260103.0",
+			"resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260103.0.tgz",
+			"integrity": "sha512-jANmoGpJcXARnwlkvrQOeWyjYD1quTfHcs+++Z544XRHOSfLc4XSlts7snIhbiIGgA5bo66zDhraF+9lKUr2hw==",
 			"dev": true,
 			"license": "MIT OR Apache-2.0",
 			"peer": true
diff --git a/package.json b/package.json
index 8c441d6..4f18c22 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
 		"hono": "^4.11.3"
 	},
 	"devDependencies": {
-		"@cloudflare/workers-types": "^4.20251229.0",
+		"@cloudflare/workers-types": "^4.20260103.0",
 		"wrangler": "^4.56.0"
 	}
 }