diff --git a/requirements.txt b/requirements.txt
index 9353730..86aa01e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 cmake==3.12.0
 dlib==19.16.0
 numpy==1.15.3
-opencv-python==3.4.3.18
+opencv-python==3.4.7.28