diff --git a/cloud-node/requirements.txt b/cloud-node/requirements.txt
index 7ca8fbc..8ec93af 100644
--- a/cloud-node/requirements.txt
+++ b/cloud-node/requirements.txt
@@ -25,7 +25,7 @@ docopt==0.6.2
 docutils==0.14
 eventlet==0.24.1
 Flask==1.0.2
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 Flask-SocketIO==3.3.2
 Flask-Sockets==0.2.1
 Flask-uWSGI-WebSocket==0.6.1