diff --git a/requirements.txt b/requirements.txt
index e622364..91771f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ dateparser==0.7.0
 eventlet==0.23.0
 Flask==1.0.2
 Flask-Bower==1.3.0
-Flask-Cors==3.0.4
+Flask-Cors==3.0.9
 Flask-SocketIO==3.0.1
 Flask-SQLAlchemy==2.3.2
 gevent==1.3.4