diff --git a/requirements.txt b/requirements.txt
index bafa24d..b93a42a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,5 @@ numpy>=1.21.4
 python_speech_features>=0.6
 scipy>=1.10.1
 pytsmod>=0.3.7
-PySimpleGUIWx==0.17.2
+PySimpleGUIWx==0.17.2; sys_platform == 'windows'
+PySimpleGUIQt>=0.35.0; sys_platform != 'windows'