diff --git a/src/quart_schema/typing.py b/src/quart_schema/typing.py
index 3304e6f..46ed851 100644
--- a/src/quart_schema/typing.py
+++ b/src/quart_schema/typing.py
@@ -91,6 +91,7 @@ async def _make_request(
 
 
 class PydanticDumpOptions(TypedDict):
+    mode: NotRequired[Literal['json', 'python']]
     by_alias: NotRequired[bool]
     exclude_defaults: NotRequired[bool]
     exclude_none: NotRequired[bool]