diff --git a/pkgs/development/python-modules/peco/default.nix b/pkgs/development/python-modules/peco/default.nix
index 961b0c623d92..9b2001789cd2 100644
--- a/pkgs/development/python-modules/peco/default.nix
+++ b/pkgs/development/python-modules/peco/default.nix
@@ -1,29 +1,28 @@
-{ lib
-, aiohttp
-, buildPythonPackage
-, fetchPypi
-, pydantic
-, pythonOlder
-, setuptools
+{
+  lib,
+  aiohttp,
+  buildPythonPackage,
+  fetchPypi,
+  pydantic,
+  pythonOlder,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "peco";
-  version = "0.0.29";
-  format = "pyproject";
+  version = "0.0.30";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-zL0tBTwm+l5eyxlWr2xoE+nLpMfUKri1/yD+WgTUqHQ=";
+    hash = "sha256-a3MPqtbDftbLGtpJ66CFVC5wJFa9L3dqOKPfBZCaHpM=";
   };
 
-  nativeBuildInputs = [
-    setuptools
-  ];
+  build-system = [ setuptools ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     aiohttp
     pydantic
   ];
@@ -31,9 +30,7 @@ buildPythonPackage rec {
   # Module has no tests
   doCheck = false;
 
-  pythonImportsCheck = [
-    "peco"
-  ];
+  pythonImportsCheck = [ "peco" ];
 
   meta = with lib; {
     description = "Library for interacting with the PECO outage map";