diff --git a/requirements.txt b/requirements.txt
index 92428e8..c6879d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Flask==1.1.1
 Flask-Bcrypt==0.7.1
-flask-cors==3.0.8
+flask-cors==3.0.9
 flask-mongoengine==0.9.5
 flask-restplus==0.13.0
 gunicorn==19.9.0