diff --git a/package.json b/package.json
index be5e658..ab0aad7 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
 	},
 	"dependencies": {},
 	"devDependencies": {
-		"@cloudflare/workers-types": "4.20250820.0",
+		"@cloudflare/workers-types": "4.20250821.0",
 		"@playform/build": "0.2.5"
 	},
 	"publishConfig": {