diff --git a/pkgs/development/python-modules/filebytes/default.nix b/pkgs/development/python-modules/filebytes/default.nix
index 92866eedeaf2..533bede02047 100644
--- a/pkgs/development/python-modules/filebytes/default.nix
+++ b/pkgs/development/python-modules/filebytes/default.nix
@@ -3,17 +3,18 @@
   buildPythonPackage,
   fetchFromGitHub,
   fetchpatch,
+  setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "filebytes";
   version = "0.10.2";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "sashs";
     repo = "filebytes";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-8DGVCqWnEiqLCKWAYWrAjr50ZB6SMPMH+VqMqpALnVo=";
   };
 
@@ -26,10 +27,12 @@ buildPythonPackage rec {
     })
   ];
 
+  build-system = [ setuptools ];
+
   meta = {
     homepage = "https://scoding.de/filebytes-introduction";
     license = lib.licenses.bsd3;
     description = "Scripts to parse ELF, PE, Mach-O and OAT (Android Runtime)";
     maintainers = with lib.maintainers; [ bennofs ];
   };
-}
+})