diff --git a/src/app.d.ts b/src/app.d.ts
index a6957f9..ecbac9e 100644
--- a/src/app.d.ts
+++ b/src/app.d.ts
@@ -9,3 +9,9 @@ declare global {
 		// interface Platform {}
 	}
 }
+
+declare namespace App {
+	interface Locals {
+		requestId: string;
+	}
+}