diff --git a/requirements.txt b/requirements.txt
index 959de50..e53f873 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ click==6.7
 decorator==4.1.2
 Flask==0.12.2
 Flask-Bcrypt==0.7.1
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 Flask-HTTPAuth==3.2.3
 Flask-Migrate==2.1.1
 Flask-SQLAlchemy==2.2