diff --git a/requirements.txt b/requirements.txt
index 2664600..e66fe92 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ cryptography==2.8
 ecdsa==0.14.1
 Flask==1.1.1
 Flask-BabelEx==0.9.3
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 Flask-Login==0.4.1
 Flask-Mail==0.9.1
 flask-redis==0.4.0