diff --git a/requirements.txt b/requirements.txt
index 33411ba073cca012abb0b45d9ba748ea58846d4b..9da438ebe2b669b8c337fd32a767e11c5dde02e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 prettytable
 ujson
-opencv-python
+opencv-python==4.6.0.66
 pillow
 tqdm
 PyYAML>=5.1