diff --git a/app/requirements.txt b/app/requirements.txt
index 115947f..bdff6a8 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -3,7 +3,7 @@ certifi==2019.3.9
 chardet==3.0.4
 Click==7.0
 Flask==1.0.3
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 Flask-SocketIO==4.0.0
 gevent==1.4.0
 gevent-websocket==0.10.1