diff --git a/requirements.txt b/requirements.txt
index 8506aae..7829875 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ certifi==2018.8.24
 chardet==3.0.4
 click==6.7
 Flask==1.0.2
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 gunicorn==19.9.0
 idna==2.7
 itsdangerous==0.24