diff --git a/requirements-min.txt b/requirements-min.txt
index 92c0ce755..793291760 100644
--- a/requirements-min.txt
+++ b/requirements-min.txt
@@ -5,7 +5,7 @@ PyWavelets==1.1
 SciPy==1.5
 guidata==3.9
 myst_parser
-opencv-python-headless==4.5
+opencv-python-headless==4.8.1.78
 packaging==20.0
 pandas==1.2
 psutil==5.7