diff --git a/pkgs/development/python-modules/sphinx-rtd-dark-mode/default.nix b/pkgs/development/python-modules/sphinx-rtd-dark-mode/default.nix
index d3b4bf7f4104..863f93848846 100644
--- a/pkgs/development/python-modules/sphinx-rtd-dark-mode/default.nix
+++ b/pkgs/development/python-modules/sphinx-rtd-dark-mode/default.nix
@@ -2,8 +2,7 @@
   buildPythonPackage,
   fetchFromGitHub,
   lib,
-  pythonOlder,
-  nose,
+  pytestCheckHook,
   setuptools,
   sphinx,
   sphinx-rtd-theme,
@@ -25,21 +24,12 @@ buildPythonPackage rec {
 
   dependencies = [ sphinx-rtd-theme ];
 
-  # tests rely on nose
-  doCheck = pythonOlder "3.12";
-
   nativeCheckInputs = [
-    nose
+    pytestCheckHook
     sphinx
   ];
 
-  checkPhase = ''
-    runHook preCheck
-
-    nosetests tests
-
-    runHook postCheck
-  '';
+  pytestFlagsArray = [ "tests/build.py" ];
 
   pythonImportsCheck = [ "sphinx_rtd_dark_mode" ];