diff --git a/requirements.txt b/requirements.txt
index 3e5b8f6..01b5001 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Escher==1.6.0
 et-xmlfile==1.0.1
 Flask==0.12
 Flask-Admin==1.5.0
-Flask-Cors==3.0.2
+Flask-Cors==3.0.9
 Flask-JWT==0.3.2
 flask-marshmallow==0.7.0
 Flask-RESTful==0.3.5