diff --git a/requirements.txt b/requirements.txt
index d60d590..48814a3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 eventlet==0.25.1
 Flask==1.0.2
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 Flask-SocketIO==3.3.2
 future==0.17.1
 gevent==1.3.7