diff --git a/test-requirements.txt b/test-requirements.txt
index 02804fe7c7..53998a2b02 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ hacking<0.10,>=0.9.2
 coverage>=3.6
 discover
 fixtures>=1.3.1
-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'
 python-subunit>=0.0.18
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2