diff --git a/requirements.txt b/requirements.txt
index 56b9c04..8645b2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ decorator==4.4.0
 Flask==1.0.2
 Flask-Assets==0.12
 Flask-Bcrypt==0.7.1
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 Flask-Login==0.4.1
 Flask-WTF==0.14.2
 gunicorn==19.9.0