diff --git a/requirements.txt b/requirements.txt
index c27c0d2..093473d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ nbformat==4.4.0
 networkx==2.3
 notebook==5.7.8
 numpy==1.16.1
-opencv-python==4.1.0.25
+opencv-python==4.1.1.26
 pandas==0.24.2
 pandocfilters==1.4.2
 parso==0.4.0