diff --git a/FlaskApp/requirements.txt b/FlaskApp/requirements.txt
index ba5bb19..c6f0ef7 100644
--- a/FlaskApp/requirements.txt
+++ b/FlaskApp/requirements.txt
@@ -14,7 +14,7 @@ Cython==0.29.1
 docopt==0.6.2
 docutils==0.14
 Flask==1.0
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 Flask-Login==0.4.1
 gunicorn==19.9.0
 idna==2.7