diff --git a/vulture_whitelist.py b/vulture_whitelist.py
index 72262f6a9..73eab5d4f 100644
--- a/vulture_whitelist.py
+++ b/vulture_whitelist.py
@@ -128,3 +128,6 @@ get_parents  # noqa: B018, F821
 auto_discover_children  # noqa: B018, F821
 _get_ancestors  # noqa: B018, F821
 _build_cycle_path  # noqa: B018, F821
+
+# structlog processor signature — method_name required by processor protocol
+method_name  # noqa: B018, F821