diff --git a/specs/mixins/test_http.py b/specs/mixins/test_http.py
index 99c294f..6761193 100644
--- a/specs/mixins/test_http.py
+++ b/specs/mixins/test_http.py
@@ -1,4 +1,5 @@
 import pytest
+import mock
 import unittest.mock
 from amadeus import Client, Response, ResponseError
 from urllib.error import URLError