diff --git a/requirements.txt b/requirements.txt
index f0ddf0d..c4ff152 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ docutils==0.15.2
 dopamine-rl==2.0.5
 fbmessenger==6.0.0
 Flask==1.1.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 future==0.18.2
 gast==0.2.2
 gevent==1.4.0