diff --git a/requirements.txt b/requirements.txt
index 159254e..81bfaf3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 networkx==2.1
 numpy==1.14.*
-opencv-python==3.4.0.12
+opencv-python==3.4.7.28
 scikit-image==0.13.1
 scipy==1.0.0