diff --git a/tests-requirements.txt b/tests-requirements.txt
index 01bfab0e744a8a88b9785d05278d79e1f93d7037..a05c77183066820382280be809f19c013b7ede85 100644
--- a/tests-requirements.txt
+++ b/tests-requirements.txt
@@ -1,5 +1,5 @@
 coverage
 django-nose
-mock~=4.0.0
+mock==4.0.2
 responses==0.12.0
 tripoli