diff --git a/requirements.txt b/requirements.txt
index ce96d61..876fb7e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ networkx==2.2
 notebook==5.7.8
 numpy==1.14.6
 opencv-contrib-python==3.4.5.20
-opencv-python==3.4.5.20
+opencv-python==4.2.0.32
 pandas==0.24.2
 pandocfilters==1.4.2
 parso==0.4.0