diff --git a/requirements.txt b/requirements.txt
index 6f61dede6..47e8605ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ PrettyTable<0.8,>=0.7.1 # BSD
 keystoneauth1>=3.2.0 # Apache-2.0
 simplejson>=3.5.1 # MIT
 Babel!=2.4.0,>=2.3.4 # BSD
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.utils>=3.31.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index a00440fd6..3112d94b7 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -12,7 +12,7 @@ reno>=2.5.0 # Apache-2.0
 requests-mock>=1.1.0 # Apache-2.0
 sphinx>=1.6.2 # BSD
 tempest>=17.1.0 # Apache-2.0
-testtools>=1.4.0 # MIT
+testtools>=2.2.0 # MIT
 testrepository>=0.0.18 # Apache-2.0/BSD
 os-testr>=1.0.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0