diff --git a/tests/conftest.py b/tests/conftest.py
index 07cc560..263f05b 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -9,7 +9,7 @@
 
 
 class RequestsMock(object):
-    def __init__(self, mocker: MockerFixture):
+    def __init__(self, mocker):
         self.mocker = mocker
         self._store = {}