diff --git a/requirements.txt b/requirements.txt
index 3dc16b3..51d2079 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ scikit-learn==0.19.1
 imageio==2.3.0
 matplotlib==2.2.0
 numpy==1.14.3
-opencv-python==3.4.0.12
+opencv-python==4.2.0.32
 scipy==1.0.0