diff --git a/pkgs/development/python-modules/wn/default.nix b/pkgs/development/python-modules/wn/default.nix
index b2540d0b2d68..5b020a58d393 100644
--- a/pkgs/development/python-modules/wn/default.nix
+++ b/pkgs/development/python-modules/wn/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , fetchPypi
 , pytestCheckHook
+, pythonOlder
 , flit-core
 , requests
 , tomli
@@ -9,12 +10,14 @@
 
 buildPythonPackage rec {
   pname = "wn";
-  version = "0.9.4";
-  format = "pyproject";
+  version = "0.9.5";
+  pyproject = true;
+
+  disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-n03hFoGMAqLu57gw52tY2jkE8uuLFAbwTZ63sHG2168=";
+    hash = "sha256-muYuDmYH9W5j6euDYJMMgzfsxE6eBIhDCqH6P7nFG+Q=";
   };
 
   nativeBuildInputs = [