diff --git a/requirements.txt b/requirements.txt
index 02ad3d9..9ab7811 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ coverage==4.5.1
 docutils==0.14
 enum34==1.1.6
 Flask==1.0.2
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 Flask-JWT==0.3.2
 funcsigs==1.0.2
 futures==3.2.0