diff --git a/requirements.txt b/requirements.txt
index 7a91304..1ae4092 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,8 +7,8 @@ keystoneauth1>=3.2.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 simplejson>=3.5.1 # MIT
 Babel!=2.4.0,>=2.3.4 # BSD
-six>=1.9.0 # MIT
+six>=1.10.0 # MIT
 osc-lib>=1.7.0 # Apache-2.0
-oslo.utils>=3.28.0 # Apache-2.0
+oslo.utils>=3.31.0 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index ab50fe3..9e1d53c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
-python-subunit>=0.0.18 # Apache-2.0/BSD
+python-subunit>=1.0.0 # Apache-2.0/BSD
 docutils>=0.11 # OSI-Approved Open Source, Public Domain
 sphinx>=1.6.2 # BSD
 openstackdocstheme>=1.17.0 # Apache-2.0
@@ -14,4 +14,4 @@ python-openstackclient>=3.12.0 # Apache-2.0
 requests-mock>=1.1.0 # Apache-2.0
 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