diff --git a/pkgs/development/python-modules/cons/default.nix b/pkgs/development/python-modules/cons/default.nix
index 2f352aebd18b..d08f5deb3c96 100644
--- a/pkgs/development/python-modules/cons/default.nix
+++ b/pkgs/development/python-modules/cons/default.nix
@@ -5,17 +5,21 @@
 , py
 , pytestCheckHook
 , pytest-html
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "cons";
-  version = "0.4.5";
+  version = "0.4.6";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "pythological";
     repo = "python-cons";
-    rev = "fbeedfc8a3d1bff4ba179d492155cdd55538365e";
-    hash = "sha256-ivHFep9iYPvyiBIZKMAzqrLGnQkeuxd0meYMZwZFFH0=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-XssERKiv4A8x7dZhLeFSciN6RCEfGs0or3PAQiYSPII=";
   };
 
   propagatedBuildInputs = [
@@ -38,7 +42,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "An implementation of Lisp/Scheme-like cons in Python";
     homepage = "https://github.com/pythological/python-cons";
-    changelog = "https://github.com/pythological/python-cons/releases";
+    changelog = "https://github.com/pythological/python-cons/releases/tag/v${version}";
     license = licenses.gpl3Only;
     maintainers = with maintainers; [ Etjean ];
   };