diff --git a/pkgs/development/python-modules/cppheaderparser/default.nix b/pkgs/development/python-modules/cppheaderparser/default.nix
index 13842e83a8d5..6e4deaaac8b7 100644
--- a/pkgs/development/python-modules/cppheaderparser/default.nix
+++ b/pkgs/development/python-modules/cppheaderparser/default.nix
@@ -3,20 +3,23 @@
   fetchPypi,
   ply,
   lib,
+  setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "cppheaderparser";
   version = "2.7.4";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     pname = "CppHeaderParser";
-    inherit version;
+    inherit (finalAttrs) version;
     hash = "sha256-OCswQW2VsKXoUCshSBDcrCpWQykX4mUUR9Or4lPjzEI=";
   };
 
-  propagatedBuildInputs = [ ply ];
+  build-system = [ setuptools ];
+
+  dependencies = [ ply ];
 
   pythonImportsCheck = [ "CppHeaderParser" ];
 
@@ -26,4 +29,4 @@ buildPythonPackage rec {
     license = lib.licenses.bsdOriginal;
     maintainers = with lib.maintainers; [ pamplemousse ];
   };
-}
+})