diff --git a/backend/requirements.txt b/backend/requirements.txt
index c2a500d..43c7237 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,5 +1,5 @@
 Flask==1.1.1
-flask-cors==3.0.7
+flask-cors==3.0.9
 Flask-RESTful==0.3.7
 Flask-Script==2.0.6
 Flask-Testing==0.7.1