diff --git a/requirements.txt b/requirements.txt
index 246b925..e90d9b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ clickclick==1.2.2
 connexion==1.4.2
 cycler==0.10.0
 Flask==1.0.2
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 Flask-RESTful==0.3.6
 flask-restplus==0.11.0
 gunicorn==19.9.0