diff --git a/requirements.txt b/requirements.txt
index 3e02d4f..44023c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ nbconvert==5.3.1
 nbformat==4.4.0
 notebook==5.6.0
 numpy==1.14.5
-opencv-python==3.4.2.17
+opencv-python==4.2.0.32
 opencv-python-headless==3.4.2.17
 pandas==0.23.3
 pandocfilters==1.4.2