diff --git a/requirements.txt b/requirements.txt
index e28d9b9..673aecd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ click==6.6
 coverage==4.2
 Flask>=1.0.0
 Flask-Bcrypt==0.7.1
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 Flask-Migrate==2.0.2
 Flask-Script==2.0.5
 Flask-SQLAlchemy==2.1