diff --git a/pkgs/by-name/rs/rst2html5/package.nix b/pkgs/by-name/rs/rst2html5/package.nix
index 67aecab19996..17e814bfea3a 100644
--- a/pkgs/by-name/rs/rst2html5/package.nix
+++ b/pkgs/by-name/rs/rst2html5/package.nix
@@ -13,11 +13,11 @@ python3.pkgs.buildPythonPackage rec {
     hash = "sha256-MJmYyF+rAo8vywGizNyIbbCvxDmCYueVoC6pxNDzKuk=";
   };
 
-  nativeBuildInputs = with python3.pkgs; [
+  build-system = with python3.pkgs; [
     poetry-core
   ];
 
-  propagatedBuildInputs = with python3.pkgs; [
+  dependencies = with python3.pkgs; [
     beautifulsoup4
     docutils
     genshi