diff --git a/requirements.txt b/requirements.txt
index a738fa63..e6901813 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ enum34>=1.0.4;python_version=='2.7' or python_version=='2.6' or python_version==
 eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
 netaddr>=0.7.18 # BSD
 tenacity>=3.2.1 # Apache-2.0
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index ec164b56..7ce8060b 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,13 +8,13 @@ coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 flake8-import-order==0.12 # LGPLv3
 mock>=2.0.0 # BSD
-python-subunit>=0.0.18 # Apache-2.0/BSD
+python-subunit>=1.0.0 # Apache-2.0/BSD
 sphinx>=1.6.2 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testresources>=2.0.0 # Apache-2.0/BSD
-testtools>=1.4.0 # MIT
+testtools>=2.2.0 # MIT
 testscenarios>=0.4 # Apache-2.0/BSD
 # This is needed for subunit-trace
 tempest-lib>=1.0.0 # Apache-2.0