diff --git a/custom_docker_image/requirements.txt b/custom_docker_image/requirements.txt
index fde752c..ec26610 100644
--- a/custom_docker_image/requirements.txt
+++ b/custom_docker_image/requirements.txt
@@ -15,7 +15,7 @@ PyYAML==5.1.2
 freezegun==0.3.12
 flask-restful==0.3.7
 Flask==1.1.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 pandas==0.23.3
 promise==2.2.1
 redis==3.3.11