diff --git a/pkgs/development/python-modules/mdformat-footnote/default.nix b/pkgs/development/python-modules/mdformat-footnote/default.nix
index 4d7b56f0c2fa..4d452ce5e452 100644
--- a/pkgs/development/python-modules/mdformat-footnote/default.nix
+++ b/pkgs/development/python-modules/mdformat-footnote/default.nix
@@ -12,7 +12,7 @@
 buildPythonPackage rec {
   pname = "mdformat-footnote";
   version = "0.1.1";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -27,7 +27,7 @@ buildPythonPackage rec {
     flit-core
   ];
 
-  buildInputs = [
+  propagatedBuildInputs = [
     mdformat
     mdit-py-plugins
   ];