diff --git a/pkgs/development/python-modules/awacs/default.nix b/pkgs/development/python-modules/awacs/default.nix
index c669c94f3056..e19d947907f0 100644
--- a/pkgs/development/python-modules/awacs/default.nix
+++ b/pkgs/development/python-modules/awacs/default.nix
@@ -3,35 +3,37 @@
   buildPythonPackage,
   fetchPypi,
   pythonOlder,
-  python,
-  typing-extensions,
+  setuptools,
+  pytestCheckHook,
 }:
 
 buildPythonPackage rec {
   pname = "awacs";
   version = "2.5.0";
-  format = "setuptools";
+  pyproject = true;
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.9";
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-mdU88KH1bxsJROG70tS2FYvRSrlHlBK9GKxR4gg1OFw=";
   };
 
-  propagatedBuildInputs = lib.lists.optionals (pythonOlder "3.8") [ typing-extensions ];
-
-  checkPhase = ''
-    ${python.interpreter} -m unittest discover
-  '';
+  build-system = [
+    setuptools
+  ];
 
   pythonImportsCheck = [ "awacs" ];
 
-  meta = with lib; {
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  meta = {
     description = "AWS Access Policy Language creation library";
     homepage = "https://github.com/cloudtools/awacs";
     changelog = "https://github.com/cloudtools/awacs/blob/${version}/CHANGELOG.md";
-    license = licenses.bsd2;
-    maintainers = with maintainers; [ jlesquembre ];
+    license = lib.licenses.bsd2;
+    maintainers = with lib.maintainers; [ jlesquembre ];
   };
 }