diff --git a/requirements.txt b/requirements.txt
index 7da18a8..f578821 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ lmdb==1.4.1
 PyYAML==6.0.1
 omegaconf==2.1.2
 tqdm==4.66.1
-PySimpleGUI==4.70.1
+PySimpleGUI-4-foss==4.60.4.1
 easydict==1.9
 scikit-learn==0.24.2
 pandas==2.0.3