diff --git a/requirements.txt b/requirements.txt
index b95c1a9..065880b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ tqdm
 visdom
 numpy
 opencv-contrib-python==3.4.2.16
-opencv-python==3.4.2.16
+opencv-python==3.4.7.28
 scikit-image
 scikit-learn
 dominate