diff --git a/src/Server/Transport/StreamableHttpTransport.php b/src/Server/Transport/StreamableHttpTransport.php
index dcac42dd..481a2e25 100644
--- a/src/Server/Transport/StreamableHttpTransport.php
+++ b/src/Server/Transport/StreamableHttpTransport.php
@@ -115,7 +115,7 @@ protected function handleDeleteRequest(): ResponseInterface
 
         $this->handleSessionEnd($this->sessionId);
 
-        return $this->withCorsHeaders($this->responseFactory->createResponse(204));
+        return $this->withCorsHeaders($this->responseFactory->createResponse(200));
     }
 
     protected function createJsonResponse(): ResponseInterface