diff --git a/pkgs/development/python-modules/loca/default.nix b/pkgs/development/python-modules/loca/default.nix
index 8ad0a4adbe7..28a9020d744 100644
--- a/pkgs/development/python-modules/loca/default.nix
+++ b/pkgs/development/python-modules/loca/default.nix
@@ -1,9 +1,9 @@
-{ lib, buildPythonPackage, pythonOlder, fetchFromSourcehut }:
+{ lib, buildPythonPackage, pythonOlder, fetchFromSourcehut, flit-core }:
 
 buildPythonPackage rec {
   pname = "loca";
   version = "2.0.1";
-  format = "flit";
+  format = "pyproject";
   disabled = pythonOlder "3.7";
 
   src = fetchFromSourcehut {
@@ -13,6 +13,10 @@ buildPythonPackage rec {
     sha256 = "1l6jimw3wd81nz1jrzsfw1zzsdm0jm998xlddcqaq0h38sx69w8g";
   };
 
+  nativeBuildInputs = [
+    flit-core
+  ];
+
   doCheck = false; # all checks are static analyses
   pythonImportsCheck = [ "loca" ];