diff --git a/pkgs/development/python-modules/types-freezegun/default.nix b/pkgs/development/python-modules/types-freezegun/default.nix
index a87687e39bd3..7b1ded5a48c8 100644
--- a/pkgs/development/python-modules/types-freezegun/default.nix
+++ b/pkgs/development/python-modules/types-freezegun/default.nix
@@ -2,18 +2,21 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "types-freezegun";
   version = "1.1.10";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-yzotLu6VDqy6rAZzq1BJmCM2XOuMZVursVRKQURkCew=";
   };
 
+  build-system = [ setuptools ];
+
   # Module doesn't have tests
   doCheck = false;