diff --git a/requirements.txt b/requirements.txt
index b1d6127..7835dfb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ ecdsa==0.15
 entrypoints==0.3
 flake8==3.7.9
 Flask==1.1.2
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 Flask-Migrate==2.5.3
 Flask-Moment==0.9.0
 Flask-Script==2.0.6