diff --git a/requirements.txt b/requirements.txt
index 3a554ba..b6f5564 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 torch>=0.4.0
 torchvision>=0.2.1
-opencv-python==3.4.4
+opencv-python==4.8.1.78
 visdom>=0.1.8.3
 scikit-image>=0.16.2
\ No newline at end of file