diff --git a/src/setup.py b/src/setup.py
index 8a9e31d03..24eac8ab5 100644
--- a/src/setup.py
+++ b/src/setup.py
@@ -245,7 +245,7 @@ setup(
             'pytest-cache',
             'pytest-cov',
             'pytest-django==4.*',
-            'pytest-mock==2.0.*',
+            'pytest-mock>=2.0,<3.7',
             'pytest-rerunfailures==9.*',
             'pytest-sugar',
             'pytest-xdist==1.31.*',