diff --git a/requirements.txt b/requirements.txt
index 795d4049..0da80511 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ dominate==2.3.5
 Flask==1.0.3
 Flask-Admin==1.5.3
 Flask-Bootstrap==3.3.7.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 Flask-HTTPAuth==3.3.0
 Flask-SQLAlchemy==2.4.0
 Flask-WTF==0.14.2