diff --git a/heat/common/endpoint_utils.py b/heat/common/endpoint_utils.py
index cb5b699ac5..75c07fcabe 100644
--- a/heat/common/endpoint_utils.py
+++ b/heat/common/endpoint_utils.py
@@ -34,5 +34,8 @@ def get_auth_uri(v3=True):
     else:
         # Import auth_token to have keystone_authtoken settings setup.
         importutils.import_module('keystonemiddleware.auth_token')
-        auth_uri = cfg.CONF.keystone_authtoken.www_authenticate_uri
+        try:
+            auth_uri = cfg.CONF.keystone_authtoken.www_authenticate_uri
+        except cfg.NoSuchOptError:
+            auth_uri = cfg.CONF.keystone_authtoken.auth_uri
         return auth_uri.replace('v2.0', 'v3') if auth_uri and v3 else auth_uri
diff --git a/heat/tests/api/aws/test_api_ec2token.py b/heat/tests/api/aws/test_api_ec2token.py
index 8a78749c83..135b57a175 100644
--- a/heat/tests/api/aws/test_api_ec2token.py
+++ b/heat/tests/api/aws/test_api_ec2token.py
@@ -571,8 +571,12 @@ class Ec2TokenTest(common.HeatTestCase):
         # Import auth_token to have keystone_authtoken settings setup.
         importutils.import_module('keystonemiddleware.auth_token')
         dummy_url = 'http://123:5000/v2.0'
-        cfg.CONF.set_override('www_authenticate_uri', dummy_url,
-                              group='keystone_authtoken')
+        try:
+            cfg.CONF.set_override('www_authenticate_uri', dummy_url,
+                                  group='keystone_authtoken')
+        except cfg.NoSuchOptError:
+            cfg.CONF.set_override('auth_uri', dummy_url,
+                                  group='keystone_authtoken')
         ec2 = ec2token.EC2Token(app='woot', conf={})
         params = {'AWSAccessKeyId': 'foo', 'Signature': 'xyz'}
         req_env = {'SERVER_NAME': 'heat',
diff --git a/heat/tests/test_common_context.py b/heat/tests/test_common_context.py
index 70defe5edc..405eaf8696 100644
--- a/heat/tests/test_common_context.py
+++ b/heat/tests/test_common_context.py
@@ -218,8 +218,12 @@ class TestRequestContext(common.HeatTestCase):
         [clients_keystone] section.
         """
         importutils.import_module('keystonemiddleware.auth_token')
-        cfg.CONF.set_override('www_authenticate_uri', 'http://abc/v2.0',
-                              group='keystone_authtoken')
+        try:
+            cfg.CONF.set_override('www_authenticate_uri', 'http://abc/v2.0',
+                                  group='keystone_authtoken')
+        except cfg.NoSuchOptError:
+            cfg.CONF.set_override('auth_uri', 'http://abc/v2.0',
+                                  group='keystone_authtoken')
         policy_check = 'heat.common.policy.Enforcer.check_is_admin'
         with mock.patch(policy_check) as pc:
             pc.return_value = False
diff --git a/lower-constraints.txt b/lower-constraints.txt
index 4e60e9fb6c..2c7cba0f8a 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -90,7 +90,7 @@ pika==0.10.0
 ply==3.11
 prettytable==0.7.2
 psutil==5.4.3
-psycopg2==2.6.2
+psycopg2==2.7
 pyasn1==0.4.2
 pycadf==2.7.0
 pycparser==2.18
@@ -102,7 +102,7 @@ pyOpenSSL==17.5.0
 pyparsing==2.2.0
 pyperclip==1.6.0
 python-barbicanclient==4.5.2
-python-blazarclient===1.0.0
+python-blazarclient===1.0.1
 python-ceilometerclient==2.5.0
 python-cinderclient==3.3.0
 python-dateutil==2.7.0
@@ -111,7 +111,7 @@ python-editor==1.0.3
 python-glanceclient==2.8.0
 python-heatclient==1.10.0
 python-keystoneclient==3.8.0
-python-magnumclient==2.1.0
+python-magnumclient==2.3.0
 python-manilaclient==1.16.0
 python-mimeparse==1.6.0
 python-mistralclient==3.1.0
@@ -124,7 +124,7 @@ python-saharaclient==1.4.0
 python-subunit==1.2.0
 python-swiftclient==3.2.0
 python-troveclient==2.2.0
-python-zaqarclient==1.0.0
+python-zaqarclient==1.3.0
 python-zunclient==2.0.0
 pytz==2013.6
 PyYAML==3.12
@@ -153,7 +153,7 @@ unittest2==1.1.0
 urllib3==1.22
 vine==1.1.4
 voluptuous==0.11.1
-warlock==1.3.0
+warlock==1.2.0
 WebOb==1.7.1
 websocket-client==0.47.0
 wrapt==1.10.11
diff --git a/requirements.txt b/requirements.txt
index ca1a089ebd..27e5e2bd88 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,13 +33,13 @@ oslo.versionedobjects>=1.31.2 # Apache-2.0
 PasteDeploy>=1.5.0 # MIT
 aodhclient>=0.9.0 # Apache-2.0
 python-barbicanclient>=4.5.2 # Apache-2.0
-python-blazarclient>=1.0.0 # Apache-2.0
+python-blazarclient>=1.0.1 # Apache-2.0
 python-cinderclient>=3.3.0 # Apache-2.0
 python-designateclient>=2.7.0 # Apache-2.0
 python-glanceclient>=2.8.0 # Apache-2.0
 python-heatclient>=1.10.0 # Apache-2.0
 python-keystoneclient>=3.8.0 # Apache-2.0
-python-magnumclient>=2.1.0 # Apache-2.0
+python-magnumclient>=2.3.0 # Apache-2.0
 python-manilaclient>=1.16.0 # Apache-2.0
 python-mistralclient!=3.2.0,>=3.1.0 # Apache-2.0
 python-monascaclient>=1.12.0 # Apache-2.0
@@ -50,7 +50,7 @@ python-openstackclient>=3.12.0 # Apache-2.0
 python-saharaclient>=1.4.0 # Apache-2.0
 python-swiftclient>=3.2.0 # Apache-2.0
 python-troveclient>=2.2.0 # Apache-2.0
-python-zaqarclient>=1.0.0 # Apache-2.0
+python-zaqarclient>=1.3.0 # Apache-2.0
 python-zunclient>=2.0.0 # Apache-2.0
 pytz>=2013.6 # MIT
 PyYAML>=3.12 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 4500a40b8c..0361cdb8bc 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,7 +11,7 @@ kombu!=4.0.2,>=4.0.0 # BSD
 mock>=2.0.0 # BSD
 PyMySQL>=0.7.6 # MIT License
 oslotest>=3.2.0 # Apache-2.0
-psycopg2>=2.6.2 # LGPL/ZPL
+psycopg2>=2.7 # LGPL/ZPL
 stestr>=2.0.0 # Apache-2.0
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
diff --git a/tox.ini b/tox.ini
index 10f5174469..c8b2dab6de 100644
--- a/tox.ini
+++ b/tox.ini
@@ -135,6 +135,7 @@ commands = sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasen
 
 [testenv:lower-constraints]
 basepython = python3
+install_command = pip install {opts} {packages}
 deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt