diff --git a/pkgs/development/python-modules/ajsonrpc/default.nix b/pkgs/development/python-modules/ajsonrpc/default.nix
index 47643f6e94b4..41f074aacc0e 100644
--- a/pkgs/development/python-modules/ajsonrpc/default.nix
+++ b/pkgs/development/python-modules/ajsonrpc/default.nix
@@ -1,26 +1,37 @@
-{ lib, pythonOlder, buildPythonPackage, fetchPypi, pytestCheckHook }:
+{ lib
+, pythonOlder
+, buildPythonPackage
+, fetchPypi
+, pytestCheckHook
+, setuptools
+}:
 
 buildPythonPackage rec {
   pname = "ajsonrpc";
   version = "1.2.0";
-  format = "setuptools";
+  pyproject = true;
 
-  disabled = pythonOlder "3.5";
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "791bac18f0bf0dee109194644f151cf8b7ff529c4b8d6239ac48104a3251a19f";
+    hash = "sha256-eRusGPC/De4QkZRkTxUc+Lf/UpxLjWI5rEgQSjJRoZ8=";
   };
 
+  build-system = [
+    setuptools
+  ];
+
   nativeCheckInputs = [ pytestCheckHook ];
 
   pythonImportsCheck = [ "ajsonrpc" ];
 
   meta = with lib; {
-    description = "Async JSON-RPC 2.0 protocol + asyncio server";
-    mainProgram = "async-json-rpc-server";
+    description = "Async JSON-RPC 2.0 protocol and asyncio server";
     homepage = "https://github.com/pavlov99/ajsonrpc";
+    changelog = "https://github.com/pavlov99/ajsonrpc/releases/tag/${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ oxzi ];
+    mainProgram = "async-json-rpc-server";
   };
 }