diff --git a/requirements.txt b/requirements.txt
index 365e2f6..be04630 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ easydict
 tqdm
 visdom
 numpy
-opencv-contrib-python==3.4.2.16
+opencv-contrib-python==3.4.7.28
 opencv-python==3.4.2.16
 scikit-image
 scikit-learn