diff --git a/pkgs/development/python-modules/karton-core/default.nix b/pkgs/development/python-modules/karton-core/default.nix
index e62b7cee010b..0c2a44aa3e6b 100644
--- a/pkgs/development/python-modules/karton-core/default.nix
+++ b/pkgs/development/python-modules/karton-core/default.nix
@@ -3,12 +3,16 @@
 , buildPythonPackage
 , fetchFromGitHub
 , unittestCheckHook
+, pythonOlder
 , redis
 }:
 
 buildPythonPackage rec {
   pname = "karton-core";
   version = "5.0.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "CERT-Polska";
@@ -22,7 +26,9 @@ buildPythonPackage rec {
     redis
   ];
 
-  nativeCheckInputs = [ unittestCheckHook ];
+  nativeCheckInputs = [
+    unittestCheckHook
+  ];
 
   pythonImportsCheck = [
     "karton.core"
@@ -31,6 +37,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Distributed malware processing framework";
     homepage = "https://karton-core.readthedocs.io/";
+    changelog = "https://github.com/CERT-Polska/karton/releases/tag/v${version}";
     license = licenses.bsd3;
     maintainers = with maintainers; [ chivay fab ];
   };