diff --git a/src/Base/CoreMiddleware.php b/src/Base/CoreMiddleware.php
index b73e5ab..2a74380 100644
--- a/src/Base/CoreMiddleware.php
+++ b/src/Base/CoreMiddleware.php
@@ -25,6 +25,7 @@ class CoreMiddleware implements MiddlewareInterface
      */
     public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
     {
+		var_dump($request->getHeaders());
         $response = response();
         $response->withHeaders([
             'Access-Control-Allow-Headers' => $request->getHeaderLine('Access-Control-Allow-Headers'),