diff --git a/requirements.txt b/requirements.txt
index ce9edc0c..d0813f25 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ oslo.policy>=1.17.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
-python-novaclient>=7.1.0 # Apache-2.0
+python-novaclient>=9.0.0 # Apache-2.0
 netaddr!=0.7.16,>=0.7.13 # BSD
 python-keystoneclient>=3.8.0 # Apache-2.0
 pecan!=1.0.2,!=1.0.3,!=1.0.4,!=1.2,>=1.0.0 # BSD
diff --git a/test-requirements.txt b/test-requirements.txt
index a2a4e996..4f03e8b9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,7 +11,7 @@ testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 coverage!=4.4,>=4.0 # Apache-2.0
-pylint==1.7.1 # GPLv2
+pylint==1.4.5 # GPLv2
 oslotest>=1.10.0 # Apache-2.0
 oslo.context>=2.14.0 # Apache-2.0