diff --git a/packaging/release.py b/packaging/release.py
index 109fa811b94..16f9d5fd4c1 100755
--- a/packaging/release.py
+++ b/packaging/release.py
@@ -1244,7 +1244,7 @@ def check_state(allow_stale: bool = False) -> None:
 
 # noinspection PyUnusedLocal
 @command
-def prepare(final: bool = False, pre: str | None = None, version: str | None = None) -> None:
+def prepare(final: bool = False, pre: str | None = None, version: str | None = None, setuptools: bool | None = None) -> None:
     """Prepare a release."""
     command.run(
         update_version,