diff --git a/pkgs/development/python-modules/bless/default.nix b/pkgs/development/python-modules/bless/default.nix
index b82cac661087..3f24aef8bf53 100644
--- a/pkgs/development/python-modules/bless/default.nix
+++ b/pkgs/development/python-modules/bless/default.nix
@@ -5,24 +5,34 @@
 , dbus-next
 , fetchFromGitHub
 , numpy
+, pytest-asyncio
 , pytestCheckHook
 , pythonOlder
+, setuptools
 }:
 
 buildPythonPackage rec {
   pname = "bless";
   version = "0.2.6";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "kevincar";
-    repo = pname;
+    repo = "bless";
     rev = "refs/tags/v${version}";
     hash = "sha256-dAdA+d75iE6v6t4mfgvwhRsIARLW+IqCGmaMABaDlZg=";
   };
 
+  postPatch = ''
+    sed -i "/pysetupdi/d" setup.py
+  '';
+
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   propagatedBuildInputs = [
     bleak
     dbus-next
@@ -31,6 +41,7 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     aioconsole
     numpy
+    pytest-asyncio
     pytestCheckHook
   ];