diff --git a/flask-web-app/requirements.txt b/flask-web-app/requirements.txt
index 99ed77f..38fdcb4 100644
--- a/flask-web-app/requirements.txt
+++ b/flask-web-app/requirements.txt
@@ -1,7 +1,7 @@
 # Our how-to docs will use --debug parameter which is only available in Flask 2.2+
 Flask>=2.2
 # If Flask-Session is not maintained in future, Flask-Session2 should work as well
-Flask-Session>=0.3.2,<0.6
+Flask-Session>=0.3.2,<0.9
 werkzeug>=2
 requests>=2,<3
 identity>=0.5.1,<0.6