diff --git a/requirements.txt b/requirements.txt
index 70ea840..647a42f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ Flask == 1.0.2
 Keras == 2.2.0
 Pillow == 5.1.0
 numpy == 1.14.5
-opencv_python == 3.4.1.15
+opencv_python == 3.4.7.28
 tensorflow == 1.8.0