diff --git a/requirements.txt b/requirements.txt
index dae0327b..9a2bb87a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 
 debtcollector>=1.2.0 # Apache-2.0
 netaddr>=0.7.18 # BSD
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
 stevedore>=1.20.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 rfc3986>=0.3.1 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index b970902e..53562b28 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 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
 
 # when we can require tox>= 1.4, this can go into tox.ini: