diff --git a/src/HttpWorkerInterface.php b/src/HttpWorkerInterface.php
index 3531765..798f27a 100644
--- a/src/HttpWorkerInterface.php
+++ b/src/HttpWorkerInterface.php
@@ -29,5 +29,5 @@ public function waitRequest(): ?Request;
      *        message's headers. Each key MUST be a header name, and each value MUST be an array of strings for
      *        that header.
      */
-    public function respond(int $status, string|\Generator $body, array $headers = []): void;
+    public function respond(int $status, string|\Generator $body, array $headers = [], bool $endOfStream = true): void;
 }