diff --git a/requirements.txt b/requirements.txt
index 01dc374..56acab6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ Keras-Preprocessing==1.1.2
 Markdown==3.2.2
 numpy==1.19.0
 oauthlib==3.1.0
-opencv-contrib-python==3.4.3.18
+opencv-contrib-python==3.4.7.28
 opencv-python==3.4.6.27
 opt-einsum==3.2.1
 pantilthat==0.0.7