diff --git a/dvs/requirements.txt b/dvs/requirements.txt
index 046e870..58b0c79 100644
--- a/dvs/requirements.txt
+++ b/dvs/requirements.txt
@@ -3,7 +3,7 @@ ffmpeg==1.4
 imageio==2.9.0
 matplotlib==3.3.4
 opencv-contrib-python==4.5.1.48
-opencv-python==4.5.1.48
+opencv-python==4.8.1.78
 pytz==2021.1
 PyYAML==5.4.1
 scipy==1.5.4