diff --git a/test-requirements.txt b/test-requirements.txt
index 0da514a31..71d060507 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@
 hacking<0.11,>=0.10.0
 coverage>=3.6
 discover
-mock>=1.1;python_version!='2.6'
+mock!=1.1.4,>=1.1;python_version!='2.6'
 mock==1.0.1;python_version=='2.6'
 testrepository>=0.0.18
 testtools>=1.4.0