diff --git a/vulture_allowlist.py b/vulture_allowlist.py
index a8369b7da..c77390784 100644
--- a/vulture_allowlist.py
+++ b/vulture_allowlist.py
@@ -298,6 +298,7 @@ serialize
 event
 deserialize
 serialized_event
+PydanticEventSerializer
 
 # pydantic base models
 underscore_attrs_are_private