diff --git a/requirements.txt b/requirements.txt
index a6a68657e..c2b2c7b4f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ pbr!=2.1.0,>=2.0.0 # Apache-2.0
 # Packages needed for using this library.
 
 # Python 2->3 compatibility library.
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
 
 # Enum library made for <= python 3.3
 enum34>=1.0.4;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
diff --git a/setup.cfg b/setup.cfg
index 39ddc7e1f..d40911369 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -80,7 +80,7 @@ test =
   hacking<0.11,>=0.10.0
   oslotest>=1.10.0 # Apache-2.0
   mock>=2.0.0 # BSD
-  testtools>=1.4.0 # MIT
+  testtools>=2.2.0 # MIT
   testscenarios>=0.4 # Apache-2.0/BSD
   doc8>=0.6.0 # Apache-2.0
   reno>=2.5.0 # Apache-2.0