diff --git a/requirements.txt b/requirements.txt
index ec9e82c..644818a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ urllib3
 winshell
 imutils
 numpy
-opencv_python
+opencv_python<=4.4.0.42
 Pillow
 pypiwin32
 ttkthemes