diff --git a/requirements.txt b/requirements.txt
index 0854f07..d3b5c4d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Keras==2.3.1
 tensorflow==2.0.0
 matplotlib==3.1.1
 numpy==1.17.3
-opencv-python==3.4.3.18
+opencv-python==3.4.7.28
 Pillow==6.2.1
 scipy==1.3.2
 scikit-learn==0.21.3