diff --git a/requirements.txt b/requirements.txt
index 8288319..c28b358 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ nbconvert==5.4.0
 nbformat==4.4.0
 notebook==5.7.2
 numpy==1.15.4
-opencv-python==3.4.3.18
+opencv-python==4.2.0.32
 pandas==0.23.4
 pandocfilters==1.4.2
 parso==0.3.1