diff --git a/pkgs/development/python-modules/pyhamcrest/default.nix b/pkgs/development/python-modules/pyhamcrest/default.nix
index 397b82666d90..16ae24193b5f 100644
--- a/pkgs/development/python-modules/pyhamcrest/default.nix
+++ b/pkgs/development/python-modules/pyhamcrest/default.nix
@@ -7,15 +7,12 @@
   numpy,
   pytest-xdist,
   pytestCheckHook,
-  pythonOlder,
 }:
 
 buildPythonPackage rec {
   pname = "pyhamcrest";
   version = "2.1.0";
-  format = "pyproject";
-
-  disabled = pythonOlder "3.7";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "hamcrest";
@@ -34,7 +31,7 @@ buildPythonPackage rec {
       --replace 'dynamic = ["version"]' 'version = "${version}"'
   '';
 
-  nativeBuildInputs = [
+  build-system = [
     hatch-vcs
     hatchling
   ];