diff --git a/pkgs/development/python-modules/fastbencode/default.nix b/pkgs/development/python-modules/fastbencode/default.nix
index 05afeac763bb..0e91f5aaf248 100644
--- a/pkgs/development/python-modules/fastbencode/default.nix
+++ b/pkgs/development/python-modules/fastbencode/default.nix
@@ -1,17 +1,30 @@
-{ lib, buildPythonPackage, fetchPypi, python, cython }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, python
+, pythonOlder
+, cython
+}:
 
 buildPythonPackage rec {
   pname = "fastbencode";
-  version = "0.0.12";
+  version = "0.0.13";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-w7F+70R1Wizo/i0GGCc13ADf6JqARtPXMS6/qTmPKEY=";
+    hash = "sha256-jwAXWJwrybcV6CrDBlsKY/KL3xdTw016pJUZnAXmxsk=";
   };
 
-  nativeBuildInputs = [ cython ];
+  nativeBuildInputs = [
+    cython
+  ];
 
-  pythonImportsCheck = [ "fastbencode" ];
+  pythonImportsCheck = [
+    "fastbencode"
+  ];
 
   checkPhase = ''
     ${python.interpreter} -m unittest fastbencode.tests.test_suite
@@ -21,6 +34,6 @@ buildPythonPackage rec {
     description = "Fast implementation of bencode";
     homepage = "https://github.com/breezy-team/fastbencode";
     license = licenses.gpl2Plus;
-    maintainers = [ maintainers.marsam ];
+    maintainers = with maintainers; [ marsam ];
   };
 }