diff --git a/requirements.txt b/requirements.txt
index cf7b6e1..96790c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Keras-Preprocessing==1.0.5
 Markdown==2.6.11
 matplotlib==2.2.3
 numpy==1.14.5
-opencv-python==3.4.3.18
+opencv-python==3.4.7.28
 ordered-set==3.1
 protobuf==3.6.1
 PyYAML==3.13