diff --git a/requirements.txt b/requirements.txt
index 49e8e1a..aef28f3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ certifi==2018.11.29
 chardet==3.0.4
 Click==7.0
 Flask==1.0.2
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 gunicorn==19.9.0
 httpie==1.0.3
 idna==2.8