diff --git a/requirements.txt b/requirements.txt
index 7cc3b66..1c29e6d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ et-xmlfile==1.0.1
 fastcache==1.0.2
 filelock==3.0.4
 Flask==1.0.2
-Flask-Cors==3.0.4
+Flask-Cors==3.0.9
 gevent==1.3.0
 glob2==0.6
 greenlet==0.4.13