diff --git a/requirements.txt b/requirements.txt
index 89141b12..92c23d6d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ stevedore>=1.20.0 # Apache-2.0
 enum34>=1.0.4;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
 
 eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
 
 jsonschema<3.0.0,>=2.6.0 # MIT
 keystoneauth1>=3.2.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index b35f86c9..533e1f00 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,11 +10,11 @@ mock>=2.0.0 # BSD
 # Unit testing
 coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
-python-subunit>=0.0.18 # Apache-2.0/BSD
+python-subunit>=1.0.0 # Apache-2.0/BSD
 requests-mock>=1.1.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
-testtools>=1.4.0 # MIT
+testtools>=2.2.0 # MIT
 oslotest>=1.10.0 # Apache-2.0
 os-testr>=1.0.0 # Apache-2.0
 bandit>=1.1.0 # Apache-2.0