diff --git a/requirements.txt b/requirements.txt
index fd16db6..51f2018 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ et-xmlfile==1.0.1
 fastcache==1.0.2
 filelock==3.0.10
 Flask==1.0.2
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 gast==0.2.0
 gevent==1.3.7
 glob2==0.6