diff --git a/requirements.txt b/requirements.txt
index 50dbe94..436d42c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ crypto==1.4.1
 idna==2.7
 Naked==0.1.31
 numpy==1.15.2
-opencv-python==3.4.3.18
+opencv-python==3.4.7.28
 PyYAML==3.13
 requests==2.19.1
 shellescape==3.4.1