diff --git a/docker/python_requirements.txt b/docker/python_requirements.txt
index 38a49b1..098454b 100644
--- a/docker/python_requirements.txt
+++ b/docker/python_requirements.txt
@@ -5,7 +5,7 @@ Flask==1.0.2
 scipy==1.1.0
 Keras==2.1.4
 tensorflow==1.13.1
-flask_cors==3.0.8
+flask_cors==3.0.9
 matplotlib==3.0.3
 torch==1.2.0
 simplejson==3.16.0