diff --git a/requirements.txt b/requirements.txt
index 97414ea..9d5446f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ coverage==4.4.2
 enum-compat==0.0.3
 eventlet==0.21.0
 Flask==1.1.2
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 flask-restx==0.2.0
 Flask-Script==2.0.6
 Flask-Testing==0.7.1