diff --git a/pkgs/development/python-modules/htmldate/default.nix b/pkgs/development/python-modules/htmldate/default.nix
index 78159cca35b8..1976002fe579 100644
--- a/pkgs/development/python-modules/htmldate/default.nix
+++ b/pkgs/development/python-modules/htmldate/default.nix
@@ -25,11 +25,11 @@ buildPythonPackage rec {
     hash = "sha256-yvFobPdcYd0fBh7eXXpG51mxXV+Zh82OE8jEI3URJj0=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     charset-normalizer
     dateparser
     lxml