diff --git a/requirements.txt b/requirements.txt
index 9153f57..1f1704b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ click==6.7
 cryptography==2.1.3
 enum34==1.1.6
 Flask==0.12.2
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 get==0.0.0
 gunicorn==19.7.1
 idna==2.6