diff --git a/requirements.txt b/requirements.txt
index 958a068..f2cb76e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ cryptography==1.9
 docopt==0.6.2
 Flask==0.12.2
 Flask-API==1.0
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 Flask-JWT==0.3.2
 Flask-JWT-Extended==3.7.2
 Flask-Migrate==2.1.1