diff --git a/pkgs/development/python-modules/mdformat-footnote/default.nix b/pkgs/development/python-modules/mdformat-footnote/default.nix
index cee0e1bd5e5..4d7b56f0c2f 100644
--- a/pkgs/development/python-modules/mdformat-footnote/default.nix
+++ b/pkgs/development/python-modules/mdformat-footnote/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, flit-core
 , linkify-it-py
 , markdown-it-py
 , mdformat
@@ -11,7 +12,7 @@
 buildPythonPackage rec {
   pname = "mdformat-footnote";
   version = "0.1.1";
-  format = "flit";
+  format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
@@ -22,6 +23,10 @@ buildPythonPackage rec {
     hash = "sha256-DUCBWcmB5i6/HkqxjlU3aTRO7i0n2sj+e/doKB8ffeo=";
   };
 
+  nativeBuildInputs = [
+    flit-core
+  ];
+
   buildInputs = [
     mdformat
     mdit-py-plugins