diff --git a/backend/requirements.txt b/backend/requirements.txt
index 47611d2..e2ade75 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -29,7 +29,7 @@ et-xmlfile==1.0.1
 Flask
 Flask-Admin==1.5.3
 Flask-BabelEx==0.9.3
-Flask-Cors==3.0.10
+Flask-Cors==4.0.1
 Flask-CSV==1.2.0
 Flask-Excel==0.0.7
 Flask-HTTPAuth==3.2.4