diff --git a/pkgs/development/python-modules/httpsig/default.nix b/pkgs/development/python-modules/httpsig/default.nix
index f1529bf212da..fe7ed11c2fff 100644
--- a/pkgs/development/python-modules/httpsig/default.nix
+++ b/pkgs/development/python-modules/httpsig/default.nix
@@ -1,30 +1,38 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, setuptools
 , setuptools-scm
 , pycryptodome
 , requests
 , six
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "httpsig";
   version = "1.3.0";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1rkc3zwsq53rjsmc47335m4viljiwdbmw3y2zry4z70j8q1dbmki";
+    hash = "sha256-cdbVAkYSnE98/sIPXlfjUdK4SS1jHMKqlnkUrPkfbOY=";
   };
 
-  buildInputs = [
+  build-system = [
+    setuptools
     setuptools-scm
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     pycryptodome
     requests
     six
+    setuptools
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
   ];
 
   pythonImportsCheck = [ "httpsig" ];