diff --git a/pkgs/development/python-modules/sphinxcontrib-spelling/default.nix b/pkgs/development/python-modules/sphinxcontrib-spelling/default.nix
index 987442304bfb..e5e92b8b038e 100644
--- a/pkgs/development/python-modules/sphinxcontrib-spelling/default.nix
+++ b/pkgs/development/python-modules/sphinxcontrib-spelling/default.nix
@@ -11,7 +11,7 @@
 buildPythonPackage rec {
   pname = "sphinxcontrib-spelling";
   version = "8.0.0";
-  format = "setuptools";
+  format = "pyproject";
 
   disabled = pythonOlder "3.7";