diff --git a/requirements.txt b/requirements.txt
index 346fc52..f9572e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ coveralls==1.3.0
 cryptography==2.2.2
 docopt==0.6.2
 Flask==1.0.2
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 Flask-JWT==0.3.2
 gunicorn==19.9.0
 idna==2.7