diff --git a/requirements.txt b/requirements.txt
index f297be9..3cf24dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ certifi==2017.7.27.1
 chardet==3.0.4
 click==6.7
 Flask==0.12.2
-Flask-Cors==3.0.3
+Flask-Cors==3.0.9
 grequests==0.3.0
 idna==2.6
 itsdangerous==0.24