diff --git a/requirements.txt b/requirements.txt
index 91c9eba..24daa96 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ docutils==0.14
 filelock==3.0.10
 flake8==3.6.0
 Flask==1.1.2
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 Flask-GraphQL==2.0.0
 Flask-SQLAlchemy==2.3.2
 graphene==2.1.3