diff --git a/requirements.txt b/requirements.txt
index 04597381..0c876c13 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ filelock==3.0.10
 Flask==1.0.2
 Flask-Caching==1.4.0
 Flask-Celery-Helper==1.1.0
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 Flask-Migrate==2.3.0
 Flask-Script==2.0.6
 Flask-SocketIO==3.3.2