diff --git a/requirements.txt b/requirements.txt
index 6dfbde1..7c3766c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ docutils==0.14
 editdistance==0.5.3
 flaky==3.6.1
 Flask==1.1.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 ftfy==5.6
 gevent==1.4.0
 greenlet==0.4.15