diff --git a/requirements.txt b/requirements.txt
index b490d07e975c..e369ed35e1cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ keystoneauth1>=3.2.0 # Apache-2.0
 python-neutronclient>=6.3.0 # Apache-2.0
 python-glanceclient>=2.8.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
 stevedore>=1.20.0 # Apache-2.0
 setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0,!=34.3.0,!=34.3.1,!=34.3.2,!=36.2.0,>=16.0 # PSF/ZPL
 websockify>=0.8.0 # LGPLv3
diff --git a/test-requirements.txt b/test-requirements.txt
index 5dc6ae93ca82..7dd497f7920a 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -23,7 +23,7 @@ osprofiler>=1.4.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testresources>=2.0.0 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
-testtools>=1.4.0 # MIT
+testtools>=2.2.0 # MIT
 bandit>=1.1.0 # Apache-2.0
 openstackdocstheme>=1.17.0 # Apache-2.0
 gabbi>=1.35.0 # Apache-2.0