diff --git a/test-requirements.txt b/test-requirements.txt
index 24ba0f434a..f9c257680e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@ hacking<0.11,>=0.10.0
 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'
 oslosphinx>=2.5.0 # Apache-2.0
 oslotest>=1.7.0 # Apache-2.0