diff --git a/requirements.txt b/requirements.txt
index adb2cf1..f4a6329 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ coverage==4.5.1
 coveralls==1.5.1
 docopt==0.6.2
 Flask==1.0.2
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 Flask-JWT-Extended==3.13.1
 Flask-RESTful==0.3.6
 gunicorn==19.9.0