diff --git a/requirements.txt b/requirements.txt
index 68e7952..3613fd0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ chardet==3.0.4
 click==6.7
 Flask==1.0
 Flask-API==1.0
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 flask-restplus==0.10.1
 idna==2.6
 itsdangerous==0.24