diff --git a/pkgs/development/python-modules/moreorless/default.nix b/pkgs/development/python-modules/moreorless/default.nix
index e0faed09af0a..d2ab01a2c18f 100644
--- a/pkgs/development/python-modules/moreorless/default.nix
+++ b/pkgs/development/python-modules/moreorless/default.nix
@@ -5,27 +5,24 @@
   fetchFromGitHub,
   parameterized,
   pytestCheckHook,
-  pythonOlder,
   setuptools-scm,
 }:
 
 buildPythonPackage rec {
   pname = "moreorless";
-  version = "0.4.0";
-  format = "setuptools";
-
-  disabled = pythonOlder "3.8";
+  version = "0.5.0";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "thatch";
     repo = "moreorless";
     tag = "v${version}";
-    hash = "sha256-N11iqsxMGgzwW2QYeOoHQaR/aDEuoUnnd/2Mc5culN0=";
+    hash = "sha256-VCvvPxDWriaeKeRaj/YbPLPfNL7fipGwCydr6K0HMjc=";
   };
 
-  nativeBuildInputs = [ setuptools-scm ];
+  build-system = [ setuptools-scm ];
 
-  propagatedBuildInputs = [ click ];
+  dependencies = [ click ];
 
   nativeCheckInputs = [
     parameterized
@@ -36,14 +33,16 @@ buildPythonPackage rec {
 
   pytestFlagsArray = [
     "moreorless/tests/click.py"
+    "moreorless/tests/combined.py"
     "moreorless/tests/general.py"
     "moreorless/tests/patch.py"
   ];
 
-  meta = with lib; {
+  meta = {
+    changelog = "https://github.com/thatch/moreorless/releases/tag/${src.tag}";
     description = "Wrapper to make difflib.unified_diff more fun to use";
     homepage = "https://github.com/thatch/moreorless/";
-    license = licenses.mit;
-    maintainers = with maintainers; [ fab ];
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ fab ];
   };
 }