diff --git a/setup.py b/setup.py
index 49004b1ff..4f28b4438 100644
--- a/setup.py
+++ b/setup.py
@@ -144,7 +144,7 @@ install_requires = [
 
     # 2.2.0 has a bug: https://github.com/pallets/werkzeug/issues/2465
     # 2.3.x has an incompatibility with Klein: https://github.com/twisted/klein/pull/575
-    "werkzeug != 2.2.0, != 2.3.0, != 2.3.1",
+    "werkzeug != 2.2.0, < 2.3",
     "treq",
     "cbor2",