diff --git a/requirements.txt b/requirements.txt
index 93eb868..0197422 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ nbformat==4.4.0
 netifaces==0.10.6
 numpy==1.16.3
 opencv-contrib-python==4.1.0.25
-opencv-python==4.1.0.25
+opencv-python==4.1.1.26
 Pillow==6.0.0
 plotly==3.8.1
 protobuf==3.7.1