diff --git a/deploy/pip_packages.txt b/deploy/pip_packages.txt
index ad9954d90183534fe906975f76bd980b0550848b..072ee55b79698a77ffeba02a516fb3b8aac82a7b 100644
--- a/deploy/pip_packages.txt
+++ b/deploy/pip_packages.txt
@@ -18,7 +18,7 @@ djangorestframework-bulk==0.2.1
 
 pytest-django==2.8.0
 factory_boy
-mock
+mock==1.0.1
 py==1.4.29
 
 django-jenkins==0.17.0