diff --git a/examples/flask/requirements.txt b/examples/flask/requirements.txt
index 31295fdc..8dd1a337 100644
--- a/examples/flask/requirements.txt
+++ b/examples/flask/requirements.txt
@@ -1,3 +1,3 @@
 facebook-sdk==2.0.0
-flask==0.11.1
+flask==2.2.5
 flask-sqlalchemy==2.1