diff --git a/requirements.txt b/requirements.txt
index a676725..1b9f30c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index af651b5..e8710fd 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
-testtools>=1.4.0 # MIT
+testtools>=2.2.0 # MIT
 
 # this is required for the docs build jobs
 sphinx>=1.6.2 # BSD