diff --git a/Python-Flask/requirements.txt b/Python-Flask/requirements.txt
index e6f7073..2d89619 100644
--- a/Python-Flask/requirements.txt
+++ b/Python-Flask/requirements.txt
@@ -1,5 +1,5 @@
 Click==7.0
-Flask==1.1.1
+Flask==3.1.3
 Flask-WTF==0.14.2
 itsdangerous==1.1.0
 jinja2==2.11.3