diff --git a/requirements.txt b/requirements.txt
index e22bd23..039c218 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ configparser==3.5.0
 cryptography==1.9
 et-xmlfile==1.0.1
 Flask==0.12
-Flask-Cors==3.0.2
+Flask-Cors==3.0.9
 Flask-RESTful==0.3.5
 Flask-SQLAlchemy==2.2
 idna==2.5