diff --git a/pkgs/development/python-modules/graphqlclient/default.nix b/pkgs/development/python-modules/graphqlclient/default.nix
index e0c85fbd3751..3aee4e90e6cf 100644
--- a/pkgs/development/python-modules/graphqlclient/default.nix
+++ b/pkgs/development/python-modules/graphqlclient/default.nix
@@ -2,20 +2,23 @@
   lib,
   buildPythonPackage,
   fetchPypi,
+  setuptools,
   six,
 }:
 
 buildPythonPackage rec {
   pname = "graphqlclient";
   version = "0.2.4";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "0b6r3ng78qsn7c9zksx4rgdkmp5296d40kbmjn8q614cz0ymyc5k";
   };
 
-  propagatedBuildInputs = [ six ];
+  build-system = [ setuptools ];
+
+  dependencies = [ six ];
 
   # Project has no tests
   doCheck = false;