diff --git a/pkgs/development/python-modules/bcdoc/default.nix b/pkgs/development/python-modules/bcdoc/default.nix
index e83bc2eb946c..2902dc77cf38 100644
--- a/pkgs/development/python-modules/bcdoc/default.nix
+++ b/pkgs/development/python-modules/bcdoc/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
   docutils,
   six,
 }:
@@ -9,13 +10,15 @@
 buildPythonPackage rec {
   pname = "bcdoc";
   version = "0.16.0";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "f568c182e06883becf7196f227052435cffd45604700c82362ca77d3427b6202";
   };
 
+  build-system = [ setuptools ];
+
   buildInputs = [
     docutils
     six