diff --git a/requirements.txt b/requirements.txt
index e665661..904352f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 torch==0.4.1.post2
 torchvision==0.2.1
-opencv-python==3.4.2.17
+opencv-python==3.4.7.28
 scikit-image==0.14.2
 scipy==1.1.0
 Polygon3