diff --git a/tests/tools/test_tool.py b/tests/tools/test_tool.py
index 7669c75f7..97f6fdf81 100644
--- a/tests/tools/test_tool.py
+++ b/tests/tools/test_tool.py
@@ -1,6 +1,6 @@
 import pytest
 from mcp.types import EmbeddedResource, ImageContent, TextContent, TextResourceContents
-from pydantic import AnyUrl
+from pydantic import AnyUrl, BaseModel
 
 from fastmcp import FastMCP, Image
 from fastmcp.client import Client