diff --git a/pkgs/development/python-modules/pycoolmasternet-async/default.nix b/pkgs/development/python-modules/pycoolmasternet-async/default.nix
index 2da04fea37a4..35e8547b337f 100644
--- a/pkgs/development/python-modules/pycoolmasternet-async/default.nix
+++ b/pkgs/development/python-modules/pycoolmasternet-async/default.nix
@@ -3,12 +3,13 @@
   buildPythonPackage,
   fetchFromGitHub,
   pythonOlder,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "pycoolmasternet-async";
-  version = "0.1.6";
-  format = "setuptools";
+  version = "0.2.0";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -16,9 +17,11 @@ buildPythonPackage rec {
     owner = "OnFreund";
     repo = "pycoolmasternet-async";
     rev = "v${version}";
-    hash = "sha256-7RYKZWs8SCXCBgjbiTLSRUPujeraxiOE6MHENPmhimg=";
+    hash = "sha256-uEZORtCZ5VOlTqonkgAtxhRIbhW+JTUMccuQ2zY7Jyo=";
   };
 
+  build-system = [ setuptools ];
+
   # no tests implemented
   doCheck = false;