diff --git a/setup.cfg b/setup.cfg
index ff2f939c..5101a8f3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -38,7 +38,7 @@ install_requires =
     Flask-Talisman>=0.8,<2
     Flask-WTF>=0.14.3,<2
     WTForms>=2.3.1,<3.1
-    Flask>=2,<2.2
+    Flask>=2,<2.3
     Werkzeug>=2,<2.3
     itsdangerous>=2,<3
     Jinja2>=3,<4