diff --git a/requirements.txt b/requirements.txt
index 60aa6f8..5ecd58f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ nbformat==4.4.0
 nose==1.3.7
 notebook>=5.7.8
 numpy==1.15.2
-opencv-python==3.4.3.18
+opencv-python==4.2.0.32
 pandas==0.23.4
 pandocfilters==1.4.2
 parso==0.3.1