diff --git a/pkgs/development/python-modules/phonemizer/default.nix b/pkgs/development/python-modules/phonemizer/default.nix
index 7a0deabae3c0..561088b606d8 100644
--- a/pkgs/development/python-modules/phonemizer/default.nix
+++ b/pkgs/development/python-modules/phonemizer/default.nix
@@ -10,22 +10,22 @@
   dlinfo,
   typing-extensions,
   espeak-ng,
+  setuptools,
+  pytest,
 }:
 
 buildPythonPackage rec {
   pname = "phonemizer";
   version = "3.3.0";
-  format = "setuptools";
+  pyproject = true;
+
+  build-system = [ setuptools ];
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-Xgw4Ei7/4LMxok5nSv8laHTs4WnXCpzxEgM3tW+OPQw=";
   };
 
-  postPatch = ''
-    sed -i '/pytest-runner/d' setup.py
-  '';
-
   patches = [
     (substituteAll {
       src = ./backend-paths.patch;
@@ -46,12 +46,12 @@ buildPythonPackage rec {
   # so let's disable related tests.
   doCheck = false;
 
-  meta = with lib; {
+  meta = {
     homepage = "https://github.com/bootphon/phonemizer";
     changelog = "https://github.com/bootphon/phonemizer/blob/v${version}/CHANGELOG.md";
     description = "Simple text to phones converter for multiple languages";
     mainProgram = "phonemize";
-    license = licenses.gpl3Plus;
-    maintainers = [ ];
+    license = lib.licenses.gpl3Plus;
+    maintainers = with lib.maintainers; [ bot-wxt1221 ];
   };
 }