diff --git a/Demo5/GazeTracking-master/requirements.txt b/Demo5/GazeTracking-master/requirements.txt
index dfca1cfa..51453e9d 100644
--- a/Demo5/GazeTracking-master/requirements.txt
+++ b/Demo5/GazeTracking-master/requirements.txt
@@ -1,3 +1,3 @@
 numpy == 1.16.1
-opencv_python == 3.4.5.20
+opencv_python == 3.4.7.28
 dlib == 19.16.0