diff --git a/lower-constraints.txt b/lower-constraints.txt
index c93bb95df..27bdf86bd 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,6 +1,6 @@
 alabaster==0.7.10
 alembic==0.9.8
-amqp==2.2.2
+amqp==2.5.2
 appdirs==1.4.3
 asn1crypto==0.24.0
 Babel==2.5.3
@@ -24,12 +24,14 @@ docutils==0.14
 dogpile.cache==0.6.5
 dulwich==0.19.0
 enum-compat==0.0.2
-eventlet==0.22.0
+eventlet==0.26.1
 extras==1.0.0
 fasteners==0.14.1
 fixtures==3.0.0
 futurist==1.6.0
-greenlet==0.4.13
+gitdb2==2.0.3
+GitPython==2.1.8
+greenlet==0.4.15
 httplib2==0.10.3
 idna==2.6
 imagesize==1.0.0
@@ -47,7 +49,7 @@ logutils==0.3.5
 lxml==4.1.1
 Mako==1.0.7
 MarkupSafe==1.1.1
-mccabe==0.2.1
+mccabe==0.6.0
 monotonic==1.4
 mox3==0.25.0
 msgpack==0.5.6
@@ -69,10 +71,10 @@ oslo.log==3.37.0
 oslo.messaging==5.36.0
 oslo.middleware==3.35.0
 oslo.policy==1.34.0
-oslo.privsep==1.32.0
+oslo.privsep==1.33.2
 oslo.rootwrap==5.13.0
 oslo.serialization==2.25.0
-oslo.service==1.30.0
+oslo.service==1.31.0
 oslo.upgradecheck==0.1.0
 oslo.utils==3.36.0
 oslotest==3.3.0
@@ -80,7 +82,7 @@ packaging==17.1
 Paste==2.0.3
 PasteDeploy==1.5.2
 pbr==3.1.1
-pecan==1.2.1
+pecan==1.3.2
 pika==0.10.0
 pika-pool==0.1.3
 prettytable==0.7.2
@@ -132,7 +134,7 @@ urllib3==1.22
 vine==1.1.4
 waitress==1.1.0
 warlock==1.3.0
-WebOb==1.7.4
+WebOb==1.8.0
 websocket-client==0.47.0
 WebTest==2.0.29
 wrapt==1.10.11
diff --git a/requirements.txt b/requirements.txt
index 21afdef7b..d628dd1b4 100644
--- a/requirements.txt
+++ b/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.
-eventlet>=0.22.0 # MIT
+eventlet>=0.26.1 # MIT
 alembic>=0.9.8 # MIT
 Babel>=2.5.3 # BSD
 docker>=3.1.1 # Apache-2.0
@@ -15,14 +15,15 @@ oslo.db>=4.40.0 # Apache-2.0
 oslo.messaging>=5.36.0 # Apache-2.0
 oslo.middleware>=3.35.0 # Apache-2.0
 oslo.serialization>=2.25.0 # Apache-2.0
+oslo.service>=1.31.0 # Apache-2.0
 oslo.upgradecheck>=0.1.0 # Apache-2.0
 oslo.utils>=3.36.0 # Apache-2.0
 oslo.log>=3.37.0 # Apache-2.0
 oslo.rootwrap>=5.13.0 # Apache-2.0
 oslo.policy>=1.34.0 # Apache-2.0
-oslo.privsep>=1.32.0 # Apache-2.0
+oslo.privsep>=1.33.2 # Apache-2.0
 pbr>=3.1.1 # Apache-2.0
-pecan>=1.2.1 # BSD
+pecan>=1.3.2 # BSD
 python-barbicanclient>=4.6.0 # Apache-2.0
 python-glanceclient>=2.9.1 # Apache-2.0
 python-heatclient>=1.14.0 # Apache-2.0
diff --git a/solum/tests/__init__.py b/solum/tests/__init__.py
index e69de29bb..25d344298 100644
--- a/solum/tests/__init__.py
+++ b/solum/tests/__init__.py
@@ -0,0 +1,14 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import eventlet
+eventlet.monkey_patch(os=False)
diff --git a/tox.ini b/tox.ini
index 6502e3630..bba0b96ac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,6 +7,8 @@ ignore_basepython_conflict = True
 [testenv]
 basepython = python3
 usedevelop = True
+install_command =
+  pip install {opts} {packages}
 setenv =
    VIRTUAL_ENV={envdir}
 deps =
@@ -86,6 +88,10 @@ extension =
 paths = ./solum/hacking
 
 [testenv:lower-constraints]
+skip_install = True
+commands =
+  python -m pip install --no-deps -U .
+  stestr run {posargs}
 deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt