diff --git a/pkgs/by-name/cu/cups-printers/package.nix b/pkgs/by-name/cu/cups-printers/package.nix
index 9b5e336316e0..f0fd4183e2c3 100644
--- a/pkgs/by-name/cu/cups-printers/package.nix
+++ b/pkgs/by-name/cu/cups-printers/package.nix
@@ -19,12 +19,15 @@ python3.pkgs.buildPythonApplication rec {
     "validators"
   ];
 
-  nativeBuildInputs = with python3.pkgs; [
+  build-system = with python3.pkgs; [
     poetry-core
+  ];
+
+  nativeBuildInputs = with python3.pkgs; [
     pythonRelaxDepsHook
   ];
 
-  propagatedBuildInputs = with python3.pkgs; [
+  dependencies = with python3.pkgs; [
     pycups
     typer
     validators