diff --git a/tests/test_invalid_mapping_param.py b/tests/test_invalid_mapping_param.py
index 891793961b..fbbda1f31a 100644
--- a/tests/test_invalid_mapping_param.py
+++ b/tests/test_invalid_mapping_param.py
@@ -1,4 +1,4 @@
-from typing import List
+from typing import List, Dict
 
 import pytest
 from fastapi import FastAPI, Query