diff --git a/pkgs/development/python-modules/colormath/default.nix b/pkgs/development/python-modules/colormath/default.nix
index 42469056b096..d13d9a37efe1 100644
--- a/pkgs/development/python-modules/colormath/default.nix
+++ b/pkgs/development/python-modules/colormath/default.nix
@@ -1,9 +1,12 @@
-{ buildPythonPackage
-, fetchFromGitHub
-, networkx
-, nose
-, numpy
-, lib
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  networkx,
+  numpy,
+  pytestCheckHook,
+  pythonOlder,
+  setuptools,
 }:
 
 buildPythonPackage rec {
@@ -11,8 +14,10 @@ buildPythonPackage rec {
   # Switch to unstable which fixes an deprecation issue with newer numpy
   # versions, should be included in versions > 3.0
   # https://github.com/gtaylor/python-colormath/issues/104
-  version = "unstable-2021-04-17";
-  format = "setuptools";
+  version = "3.0.0-unstable-2021-04-17";
+  pyproject = true;
+
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "gtaylor";
@@ -21,17 +26,21 @@ buildPythonPackage rec {
     hash = "sha256-eACVPIQFgiGiVmQ/PjUxP/UH/hBOsCywz5PlgpA4dk4=";
   };
 
-  propagatedBuildInputs = [ networkx numpy ];
+  build-system = [ setuptools ];
 
-  nativeCheckInputs = [ nose ];
+  dependencies = [
+    networkx
+    numpy
+  ];
 
-  checkPhase = "nosetests";
+  nativeCheckInputs = [ pytestCheckHook ];
 
   pythonImportsCheck = [ "colormath" ];
 
   meta = with lib; {
     description = "Color math and conversion library";
     homepage = "https://github.com/gtaylor/python-colormath";
+    changelog = "https://github.com/gtaylor/python-colormath/releases/tag/${version}";
     license = licenses.bsd2;
     maintainers = with maintainers; [ jonathanreeve ];
   };