diff --git a/lib/Connection.d.ts b/lib/Connection.d.ts
index ade470e73..00d1e676e 100644
--- a/lib/Connection.d.ts
+++ b/lib/Connection.d.ts
@@ -51,7 +51,7 @@ interface ConnectionRoles {
 
 interface RequestOptions extends http.ClientRequestArgs {
   asStream?: boolean;
-  body?: string | Buffer | ReadableStream;
+  body?: string | Buffer | ReadableStream | null;
   querystring?: string;
 }