diff --git a/package.json b/package.json
index 95c52ce..421e865 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
 		"prepublishOnly": "Build 'Source/**/*.ts'"
 	},
 	"devDependencies": {
-		"@cloudflare/workers-types": "4.20240502.0",
+		"@cloudflare/workers-types": "4.20240512.0",
 		"@playform/build": "0.0.8",
 		"@playform/document": "0.0.6"
 	},