diff --git a/src/requirements.txt b/src/requirements.txt
index bcb6037..36c4a47 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 Click==7.0
 fire==0.1.3
 Flask==1.0.2
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 gast==0.2.2
 grpcio==1.19.0
 gunicorn==20.0.1