diff --git a/pkgs/development/python-modules/syslog-rfc5424-formatter/default.nix b/pkgs/development/python-modules/syslog-rfc5424-formatter/default.nix
index 1d467b4e55de..761e079d76c4 100644
--- a/pkgs/development/python-modules/syslog-rfc5424-formatter/default.nix
+++ b/pkgs/development/python-modules/syslog-rfc5424-formatter/default.nix
@@ -2,21 +2,28 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  setuptools,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "syslog-rfc5424-formatter";
   version = "1.2.3";
-  format = "setuptools";
+  pyproject = true;
+
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "easypost";
     repo = "syslog-rfc5424-formatter";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     hash = "sha256-dvRSOMXRmZf0vEEyX6H7OBSfo/PgyOLKuDS8X6g4qe0=";
   };
 
-  # Tests are not picked up, review later again
+  build-system = [
+    setuptools
+  ];
+
+  # Tests depend on syslog_rfc5424_parser, which we don't package
   doCheck = false;
 
   pythonImportsCheck = [ "syslog_rfc5424_formatter" ];
@@ -24,7 +31,8 @@ buildPythonPackage rec {
   meta = {
     description = "Python logging formatter for emitting RFC5424 Syslog messages";
     homepage = "https://github.com/easypost/syslog-rfc5424-formatter";
+    changelog = "https://github.com/EasyPost/syslog-rfc5424-formatter/blob/v${finalAttrs.version}/CHANGES.md";
     license = with lib.licenses; [ isc ];
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})