diff --git a/pkgs/development/python-modules/pika-pool/default.nix b/pkgs/development/python-modules/pika-pool/default.nix
index 42b52c525853..1a458de4076a 100644
--- a/pkgs/development/python-modules/pika-pool/default.nix
+++ b/pkgs/development/python-modules/pika-pool/default.nix
@@ -2,27 +2,28 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
   pika,
 }:
 
 buildPythonPackage rec {
   pname = "pika-pool";
   version = "0.1.3";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "f3985888cc2788cdbd293a68a8b5702a9c955db6f7b8b551aeac91e7f32da397";
   };
 
-  postPatch = ''
-    substituteInPlace setup.py --replace "pika >=0.9,<0.11" "pika"
-  '';
+  pythonRelaxDeps = [ "pika" ];
+
+  build-system = [ setuptools ];
 
   # Tests require database connections
   doCheck = false;
 
-  propagatedBuildInputs = [ pika ];
+  dependencies = [ pika ];
   meta = with lib; {
     homepage = "https://github.com/bninja/pika-pool";
     license = licenses.bsdOriginal;