diff --git a/test-requirements.txt b/test-requirements.txt
index 45e555667..9a024e36d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,7 +7,7 @@ hacking<0.11,>=0.10.2 # Apache-2.0
 bandit>=1.0.1 # Apache-2.0
 doc8 # Apache-2.0
 coverage>=3.6 # Apache-2.0
-mock>=1.2 # BSD
+mock>=2.0 # BSD
 python-subunit>=0.0.18 # Apache-2.0/BSD
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0