diff --git a/requirements.txt b/requirements.txt
index 7746c4a..b2b424d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ MarkupSafe==1.1.1
 mccabe==0.6.1
 networkx==2.3
 numpy==1.17.0
-opencv-python==4.1.0.25
+opencv-python==4.1.1.26
 parso==0.5.1
 Pillow==6.1.0
 pycodestyle==2.5.0