diff --git a/fastapi b/fastapi
index bde12fa..07684ae 160000
--- a/fastapi
+++ b/fastapi
@@ -1 +1 @@
-Subproject commit bde12faea20313e4570f7cb896c201058c26e546
+Subproject commit 07684aea793d042fb5a12dde46dfe6d1e2196725
diff --git a/src/fastapi_deferred_init/routing.py b/src/fastapi_deferred_init/routing.py
index d26ceff..cafbb90 100644
--- a/src/fastapi_deferred_init/routing.py
+++ b/src/fastapi_deferred_init/routing.py
@@ -173,7 +173,9 @@ def response_fields(self) -> dict[Union[int, str], ModelField]:
                     additional_status_code
                 ), f"Status code {additional_status_code} must not have a response body"
                 response_name = f"Response_{additional_status_code}_{self.unique_id}"
-                response_field = create_model_field(name=response_name, type_=model)
+                response_field = create_model_field(
+                    name=response_name, type_=model, mode="serialization"
+                )
                 response_fields[additional_status_code] = response_field
         return response_fields