diff --git a/requirements-win-for-realtime_vc_gui.txt b/requirements-win-for-realtime_vc_gui.txt
index e187f85..227e099 100644
--- a/requirements-win-for-realtime_vc_gui.txt
+++ b/requirements-win-for-realtime_vc_gui.txt
@@ -23,7 +23,7 @@ tensorboard
 tqdm
 wave
 PySimpleGUI
-sounddevice
+sounddevice<0.5.0
 gradio
 noisereduce
 torchfcpe