diff --git a/requirements.txt b/requirements.txt
index dc7f0d0..2d0a4d0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 numpy
 imutils
 opencv-contrib-python==3.4.1.15
-opencv-python==3.4.1.15
+opencv-python==3.4.7.28