diff --git a/nginx-flask-mysql/backend/requirements.txt b/nginx-flask-mysql/backend/requirements.txt
index d6c7773..924a5fd 100755
--- a/nginx-flask-mysql/backend/requirements.txt
+++ b/nginx-flask-mysql/backend/requirements.txt
@@ -1,2 +1,2 @@
-Flask==1.1.1
+Flask==2.0.1
 mysql-connector==2.2.9