diff --git a/example/requirements.txt b/example/requirements.txt
index 633811ee..9e2e8b8b 100644
--- a/example/requirements.txt
+++ b/example/requirements.txt
@@ -1,7 +1,7 @@
 bidict==0.22.0
 cachelib==0.9.0
 click==8.1.3
-Flask==2.2.5
+Flask==3.1.3
 Flask-Login==0.6.2
 Flask-Session==0.4.0
 Flask-SocketIO