diff --git a/test-requirements.txt b/test-requirements.txt
index 5577c4b2..dc03284f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,5 +1,5 @@
 hacking>=0.8.0,<0.9
-mock>=1.0
+mock==1.0.1
 oslotest==1.0
 testtools>=0.9.34
 pytest>=2.7.2