diff --git a/tests/test_forms_fields_set.py b/tests/test_forms_fields_set.py
index b24cd6949c..de4c743737 100644
--- a/tests/test_forms_fields_set.py
+++ b/tests/test_forms_fields_set.py
@@ -8,11 +8,13 @@ explicitly provided vs. which fields use defaults.
 
 from typing import Annotated
 
+import pydantic
 from fastapi import FastAPI, Form, Header, Query
-from fastapi._compat import PYDANTIC_V2
 from fastapi.testclient import TestClient
 from pydantic import BaseModel
 
+PYDANTIC_V2 = int(pydantic.VERSION.split(".")[0]) >= 2
+
 
 class FormModelFieldsSet(BaseModel):
     """Model for testing fields_set metadata preservation."""