diff --git a/requirements.txt b/requirements.txt
index 4eb0f11..117f27d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ coveralls==1.3.0
 docopt==0.6.2
 Flask==1.0.2
 Flask-Bcrypt==0.7.1
-Flask-Cors==3.0.4
+Flask-Cors==3.0.9
 Flask-JWT-Extended==3.9.1
 flask-marshmallow==0.9.0
 Flask-Testing==0.7.1