diff --git a/pytorch/requirements.txt b/pytorch/requirements.txt
index 095d0e13..d2575ee5 100644
--- a/pytorch/requirements.txt
+++ b/pytorch/requirements.txt
@@ -1,5 +1,5 @@
 numpy==1.15.4
-opencv-python==3.4.4.19
+opencv-python==3.4.7.28
 PuLP==1.6.9
 scikit-image==0.14.1
 scipy==1.1.0