diff --git a/neutronclient/tests/unit/test_cli20.py b/neutronclient/tests/unit/test_cli20.py
index 657b15e47..ee6d7ac8c 100644
--- a/neutronclient/tests/unit/test_cli20.py
+++ b/neutronclient/tests/unit/test_cli20.py
@@ -50,7 +50,7 @@ def capture_std_streams():
         sys.stdout, sys.stderr = stdout, stderr
 
 
-class FakeStdout:
+class FakeStdout(object):
 
     def __init__(self):
         self.content = []
diff --git a/neutronclient/tests/unit/test_validators.py b/neutronclient/tests/unit/test_validators.py
index 619acb817..a92496baa 100644
--- a/neutronclient/tests/unit/test_validators.py
+++ b/neutronclient/tests/unit/test_validators.py
@@ -19,7 +19,7 @@ from neutronclient.common import exceptions
 from neutronclient.common import validators
 
 
-class FakeParsedArgs():
+class FakeParsedArgs(object):
     pass
 
 
diff --git a/test-requirements.txt b/test-requirements.txt
index 99578886c..b91035320 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-hacking>=0.9.2,<0.10
+hacking>=0.10.0,<0.11
 
 cliff-tablib>=1.0
 coverage>=3.6
diff --git a/tox.ini b/tox.ini
index dbed9e67a..94ab88246 100644
--- a/tox.ini
+++ b/tox.ini
@@ -38,12 +38,11 @@ downloadcache = ~/cache/pip
 
 [flake8]
 # E125 continuation line does not distinguish itself from next logical line
-# H302 import only modules
 #
 # TODO Fix the following rules from hacking 0.9.x
 # E265 block comment should start with '# '
+# H105 Don't use author tags
 # H405 multi line docstring summary not separated with an empty line
-# H307 like imports should be grouped together
-ignore = E125,E265,H302,H307,H405
+ignore = E125,E265,H105,H405
 show-source = true
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,tools