diff --git a/lib/Transport.d.ts b/lib/Transport.d.ts
index 989d02c76..89ec11573 100644
--- a/lib/Transport.d.ts
+++ b/lib/Transport.d.ts
@@ -50,7 +50,7 @@ interface TransportOptions {
 }
 
 export interface RequestEvent<T = any> {
-  body: any;
+  body: T;
   statusCode: number | null;
   headers: anyObject | null;
   warnings: string[] | null;