diff --git a/pkgs/development/python-modules/xmodem/default.nix b/pkgs/development/python-modules/xmodem/default.nix
index feb8e524b60b..1a9115e52ae4 100644
--- a/pkgs/development/python-modules/xmodem/default.nix
+++ b/pkgs/development/python-modules/xmodem/default.nix
@@ -2,23 +2,28 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  setuptools,
   pytest,
   which,
   lrzsz,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "xmodem";
   version = "0.4.7";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "tehmaze";
     repo = "xmodem";
-    tag = version;
-    sha256 = "sha256-kwPA/lYiv6IJSKGRuH13tBofZwp19vebwQniHK7A/i8=";
+    tag = finalAttrs.version;
+    hash = "sha256-kwPA/lYiv6IJSKGRuH13tBofZwp19vebwQniHK7A/i8=";
   };
 
+  build-system = [ setuptools ];
+
   nativeCheckInputs = [
     pytest
     which
@@ -29,10 +34,12 @@ buildPythonPackage rec {
     pytest
   '';
 
+  pythonImportsCheck = [ "xmodem" ];
+
   meta = {
     description = "Pure python implementation of the XMODEM protocol";
     maintainers = with lib.maintainers; [ emantor ];
     homepage = "https://github.com/tehmaze/xmodem";
     license = lib.licenses.mit;
   };
-}
+})