diff --git a/pkgs/development/python-modules/west/default.nix b/pkgs/development/python-modules/west/default.nix
index fdeefb3b4595..d8823b927bb0 100644
--- a/pkgs/development/python-modules/west/default.nix
+++ b/pkgs/development/python-modules/west/default.nix
@@ -1,8 +1,8 @@
 {
   lib,
   buildPythonPackage,
+  setuptools,
   colorama,
-  configobj,
   fetchPypi,
   packaging,
   pykwalify,
@@ -13,7 +13,7 @@
 buildPythonPackage rec {
   pname = "west";
   version = "1.3.0";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.9";
 
@@ -22,9 +22,10 @@ buildPythonPackage rec {
     hash = "sha256-iTIANL6HCZ0W519HYKwNHtZ+iXiSjkaKuZPj+6DP6S8=";
   };
 
-  propagatedBuildInputs = [
+  build-system = [ setuptools ];
+
+  dependencies = [
     colorama
-    configobj
     packaging
     pyyaml
     pykwalify