diff --git a/src/ResponseType.php b/src/ResponseType.php
index da9da47..164a32d 100644
--- a/src/ResponseType.php
+++ b/src/ResponseType.php
@@ -135,6 +135,14 @@ public static function getAll(): array {
 				null,
 				null,
 			),
+			new ResponseType(
+				'StreamTraversableResponse',
+				false,
+				false,
+				null,
+				null,
+				null,
+			),
 			new ResponseType(
 				'TemplateResponse',
 				false,