diff --git a/backend/requirements.txt b/backend/requirements.txt
index 0b1168c..6f2770c 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -4,4 +4,4 @@ Flask_Bcrypt==0.7.1
 mongoengine==0.16.3
 Flask==1.0.2
 Werkzeug==0.14.1
-Flask_Cors==3.0.7
+Flask_Cors==3.0.9