diff --git a/setup.cfg b/setup.cfg
index 825af80c..bfd315b2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -36,7 +36,8 @@ install_requires =
     Flask-Talisman>=0.8,<2
     Flask-WTF>=0.14.3,<2
     WTForms>=2.3.1,<3.1
-    Flask>=2,<3
+    Flask>=2,<2.1
+    Werkzeug>=2,<2.1  # See https://github.com/spiral-project/ihatemoney/pull/1015
     itsdangerous>=2,<3
     Jinja2>=3,<4
     requests>=2.22,<3