diff --git a/votify/interface/types.py b/votify/interface/types.py
index d9fe2b9..3d07260 100644
--- a/votify/interface/types.py
+++ b/votify/interface/types.py
@@ -26,6 +26,7 @@ class StreamInfo:
     widevine_pssh: str
     file_format: str
     actual_file_format: str | None = None
+    file_id: str | bytes | None = None
 
 
 @dataclass