diff --git a/backend/requirements.txt b/backend/requirements.txt
index c758006..4899ebc 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -4,7 +4,7 @@ certifi==2019.6.16
 chardet==3.0.4
 Click==7.0
 Flask==1.0.2
-Flask-Cors==3.0.6
+Flask-Cors==3.0.9
 flask-restplus==0.12.1
 idna==2.8
 itsdangerous==0.24