diff --git a/specification/ccr/follow/CreateFollowIndexRequest.ts b/specification/ccr/follow/CreateFollowIndexRequest.ts
index f55c240d5d..29385cb63a 100644
--- a/specification/ccr/follow/CreateFollowIndexRequest.ts
+++ b/specification/ccr/follow/CreateFollowIndexRequest.ts
@@ -47,5 +47,6 @@ export interface Request extends RequestBase {
     max_write_request_size?: string
     read_poll_timeout?: Duration
     remote_cluster?: string
+    data_stream_name?: string
   }
 }