diff --git a/requirements.txt b/requirements.txt
index 50cb73e..3d23234 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 Click==7.0
 configparser==3.5.0
 Flask==1.0.2
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 idna==2.7
 itsdangerous==0.24
 Jinja2==2.10