diff --git a/requirements.txt b/requirements.txt
index 635204b..ea4e119 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ tensorboardX==1.2
 torch==0.4.1
 tqdm==4.15.0
 imageio==2.3.0
-opencv-python==3.4.4.19
+opencv-python==3.4.7.28
 sklearn==0.0
 scikit-learn==0.21.3
 scipy==1.1.0