diff --git a/requirements.txt b/requirements.txt
index a7f085a..241569f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ imageio==2.5
 colour-science
 colour-demosaicing
 matplotlib
-opencv-python==3.1.0.0
+opencv-python==4.2.0.32