diff --git a/requirements.txt b/requirements.txt
index 1a3e1e2..440588f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ cryptography==2.8
 cycler==0.10.0
 Flask==1.1.1
 Flask-Bcrypt==0.7.1
-Flask-Cors==3.0.8
+Flask-Cors==3.0.9
 Flask-Login==0.4.1
 gcloud==0.17.0
 googleapis-common-protos==1.51.0