diff --git a/requirements.txt b/requirements.txt
index 39a92ce..7590a32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ redis==2.10.6
 sseclient-py==1.7
 requests==2.20.0
 python-gitlab==1.3.0
-flask-cors==3.0.3
+flask-cors==3.0.9
 celery==4.1.0
 kombu==4.1.0
 gevent==1.3.4