diff --git a/requirements.txt b/requirements.txt
index 365e2f6..855f2e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ 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