diff --git a/requirements.txt b/requirements.txt
index 4c631ce24..746e4e581 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ colorama==0.4.1
 cssmin==0.2.0
 Flask==1.0.2
 Flask-Assets==0.12
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 itsdangerous==1.1.0
 Jinja2==2.10
 jsmin==2.2.2