diff --git a/requirements.txt b/requirements.txt
index c1f083a..8d4ebd3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Click==7.0
 coverage==4.5.4
 Flask==1.1.1
 Flask-API==2.0
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 httplib2==0.17.0
 idna==2.8
 itsdangerous==1.1.0