diff --git a/pkgs/development/python-modules/mwclient/default.nix b/pkgs/development/python-modules/mwclient/default.nix
index 9603f172bc76..5a8442963d60 100644
--- a/pkgs/development/python-modules/mwclient/default.nix
+++ b/pkgs/development/python-modules/mwclient/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  hatchling,
   mock,
   pytest-cov-stub,
   pytestCheckHook,
@@ -12,15 +13,15 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.11.0";
+  version = "0.11.0-unstable-2026-05-15";
   pname = "mwclient";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mwclient";
     repo = "mwclient";
-    tag = "v${version}";
-    sha256 = "sha256-qnWVQEG1Ri0z4RYmmG/fxYrlIFFf/6PnP5Dnv0cZb5I=";
+    rev = "87113730b1f41d8160057621bfd90ad88428f602";
+    sha256 = "sha256-R2erz4oo6111haxlc9zhpgWhihFjMT2Mg/kdWERzcp4=";
   };
 
   propagatedBuildInputs = [
@@ -29,6 +30,10 @@ buildPythonPackage rec {
     six
   ];
 
+  build-system = [
+    hatchling
+  ];
+
   nativeCheckInputs = [
     mock
     pytest-cov-stub