diff --git a/requirements.txt b/requirements.txt
index b7e14e3..1ec4b57 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ kiwisolver==1.0.1
 matplotlib==2.2.2
 networkx==2.1
 numpy==1.14.2
-opencv-python==3.4.1.15
+opencv-python==4.2.0.32
 Pillow==5.0.0
 pudb==2017.1.4
 Pygments==2.2.0