diff --git a/requirements.txt b/requirements.txt
index 4f72146..35247eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ django-rest-framework==0.1.0
 djangorestframework==3.11.0
 entrypoints==0.3
 Flask==1.0.3
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 gast==0.2.2
 google==3.0.0
 google-auth==1.14.1