diff --git a/requirements.txt b/requirements.txt
index 117e980ae..fd898c027 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,6 @@
-d2to1>=0.2.10,<0.3
 pbr>=0.5.16,<0.6
 argparse
 cliff>=1.4
 httplib2
-iso8601
-simplejson
+iso8601>=0.1.4
+simplejson>=2.0.9
diff --git a/setup.py b/setup.py
index 80b683420..15f4e9d54 100644
--- a/setup.py
+++ b/setup.py
@@ -13,11 +13,10 @@
 # implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
-# vim: tabstop=4 shiftwidth=4 softtabstop=4
 
+# THIS FILE IS MANAGED BY THE GLOBAL REQUIREMENTS REPO - DO NOT EDIT
 import setuptools
 
 setuptools.setup(
-    setup_requires=['d2to1>=0.2.10,<0.3', 'pbr>=0.5.10,<0.6'],
-    d2to1=True)
+    setup_requires=['pbr>=0.5.20'],
+    pbr=True)
diff --git a/test-requirements.txt b/test-requirements.txt
index 34b353c7c..1089218bc 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -2,14 +2,14 @@
 pep8==1.4.5
 pyflakes==0.7.2
 flake8==2.0
-hacking>=0.5.3,<0.6
+hacking>=0.5.6,<0.7
 
 cliff-tablib>=1.0
-coverage
+coverage>=3.6
 discover
 fixtures>=0.3.12
-mox
+mox>=0.5.3
 python-subunit
 sphinx>=1.1.2
-testrepository>=0.0.13
-testtools>=0.9.22
+testrepository>=0.0.17
+testtools>=0.9.32
diff --git a/tox.ini b/tox.ini
index 71ade0244..4154f3304 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,8 @@ downloadcache = ~/cache/pip
 
 [flake8]
 # E125 continuation line does not distinguish itself from next logical line
+# H233 Python 3.x incompatible use of print operator
 # H302 import only modules
-ignore = E125,H302
+ignore = E125,H233,H302
 show-source = true
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,tools