diff --git a/requirements.txt b/requirements.txt
index 7a9c2bf..a22153f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ kiwisolver==1.1.0
 Markdown==3.1.1
 matplotlib==3.1.0
 numpy==1.16.4
-opencv-python==4.1.0.25
+opencv-python==4.1.1.26
 protobuf==3.8.0
 pyparsing==2.4.0
 python-dateutil==2.8.0