diff --git a/pkgs/development/python-modules/pysigma-pipeline-windows/default.nix b/pkgs/development/python-modules/pysigma-pipeline-windows/default.nix
index f41fe5419e79..b1c6b0991f64 100644
--- a/pkgs/development/python-modules/pysigma-pipeline-windows/default.nix
+++ b/pkgs/development/python-modules/pysigma-pipeline-windows/default.nix
@@ -19,9 +19,9 @@ buildPythonPackage rec {
     hash = "sha256-2S4vWneBNKq/FwhDs4Iref9hvEbcqvG/MOSTMYd7crU=";
   };
 
-  nativeBuildInputs = [ poetry-core ];
+  build-system = [ poetry-core ];
 
-  propagatedBuildInputs = [ pysigma ];
+  dependencies = [ pysigma ];
 
   nativeCheckInputs = [ pytestCheckHook ];
 
@@ -31,7 +31,7 @@ buildPythonPackage rec {
     description = "Library to support Windows service pipeline for pySigma";
     homepage = "https://github.com/SigmaHQ/pySigma-pipeline-windows";
     changelog = "https://github.com/SigmaHQ/pySigma-pipeline-windows/releases/tag/${src.tag}";
-    license = licenses.lgpl21Only;
-    maintainers = with maintainers; [ fab ];
+    license = lib.licenses.lgpl21Only;
+    maintainers = with lib.maintainers; [ fab ];
   };
 }