diff --git a/pkgs/development/python-modules/beanstalkc/default.nix b/pkgs/development/python-modules/beanstalkc/default.nix
index d0a9b80498e5..dff8532193cb 100644
--- a/pkgs/development/python-modules/beanstalkc/default.nix
+++ b/pkgs/development/python-modules/beanstalkc/default.nix
@@ -2,12 +2,13 @@
   lib,
   fetchFromGitHub,
   buildPythonPackage,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "beanstalkc";
   version = "0.5.2";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "bosondata";
@@ -16,6 +17,8 @@ buildPythonPackage rec {
     sha256 = "1dpb1yimp2pfnikmgsb2fr9x6h8riixlsx3xfqphnfvrid49vw5s";
   };
 
+  build-system = [ setuptools ];
+
   doCheck = false;
 
   meta = {