diff --git a/lower-constraints.txt b/lower-constraints.txt
index 8da94c941756..10825b9d1218 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,5 +1,5 @@
 alembic==0.9.8
-amqp==2.2.2
+amqp==2.5.0
 appdirs==1.4.3
 asn1crypto==0.24.0
 attrs==17.4.0
@@ -17,23 +17,20 @@ cursive==0.2.1
 dataclasses==0.7
 ddt==1.2.1
 debtcollector==1.19.0
-decorator==3.4.0
+decorator==4.1.0
 deprecation==2.0
 dogpile.cache==0.6.5
-enum34==1.0.4
 enum-compat==0.0.2
-eventlet==0.21.0
+eventlet==0.22.0
 extras==1.0.0
 fasteners==0.14.1
 fixtures==3.0.0
-flake8==3.6.0
 future==0.16.0
 futurist==1.8.0
 gabbi==1.35.0
 gitdb2==2.0.3
 GitPython==2.1.8
 greenlet==0.4.10
-hacking==2.0
 idna==2.6
 iso8601==0.1.11
 Jinja2==2.10
@@ -45,12 +42,11 @@ jsonpointer==2.0
 jsonschema==3.2.0
 keystoneauth1==3.16.0
 keystonemiddleware==4.20.0
-kombu==4.1.0
+kombu==4.6.1
 linecache2==1.0.0
 lxml==3.4.1
 Mako==1.0.7
 MarkupSafe==1.0
-mccabe==0.6.0
 microversion-parse==0.2.1
 mock==3.0.0
 monotonic==1.4
@@ -60,22 +56,22 @@ munch==2.2.0
 mypy==0.761
 netaddr==0.7.18
 netifaces==0.10.4
-networkx==1.11
+networkx==2.1.0
 numpy==1.14.2
 openstacksdk==0.35.0
-os-brick==3.0.1
+os-brick==3.1.0
 os-client-config==1.29.0
 os-resource-classes==0.4.0
 os-service-types==1.7.0
 os-traits==2.4.0
 os-vif==1.14.0
-os-win==3.0.0
-os-xenapi==0.3.3
+os-win==4.2.0
+os-xenapi==0.3.4
 osc-lib==1.10.0
 oslo.cache==1.26.0
 oslo.concurrency==3.29.0
 oslo.config==6.1.0
-oslo.context==2.21.0
+oslo.context==2.22.0
 oslo.db==4.44.0
 oslo.i18n==3.15.3
 oslo.log==3.36.0
@@ -110,8 +106,6 @@ pyasn1==0.4.2
 pyasn1-modules==0.2.1
 pycadf==2.7.0
 pycparser==2.18
-pyflakes==2.0.0
-pycodestyle==2.4.0
 pyinotify==0.9.6
 pyroute2==0.5.4
 PyJWT==1.7.0
@@ -126,7 +120,7 @@ python-cinderclient==3.3.0
 python-dateutil==2.5.3
 python-editor==1.0.3
 python-glanceclient==2.8.0
-python-ironicclient==2.7.0
+python-ironicclient==3.0.0
 python-keystoneclient==3.15.0
 python-mimeparse==1.6.0
 python-neutronclient==6.7.0
@@ -141,19 +135,19 @@ retrying==1.3.3
 rfc3986==1.1.0
 Routes==2.3.1
 simplejson==3.13.2
-six==1.10.0
+six==1.11.0
 smmap2==2.0.3
 sortedcontainers==2.1.0
 SQLAlchemy==1.2.19
 sqlalchemy-migrate==0.13.0
 sqlparse==0.2.4
 statsd==3.2.2
-stestr==1.0.0
+stestr==2.0.0
 stevedore==1.20.0
 suds-jurko==0.6
-taskflow==2.16.0
+taskflow==3.8.0
 Tempita==0.5.2
-tenacity==4.9.0
+tenacity==6.0.0
 testrepository==0.0.20
 testresources==2.0.0
 testscenarios==0.4
@@ -164,7 +158,7 @@ unittest2==1.1.0
 urllib3==1.22
 vine==1.1.4
 voluptuous==0.11.1
-warlock==1.2.0
+warlock==1.3.1
 WebOb==1.8.2
 websockify==0.9.0
 wrapt==1.10.11
diff --git a/requirements.txt b/requirements.txt
index 674381864e01..f33c2b40630f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,8 +4,8 @@
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 SQLAlchemy>=1.2.19 # MIT
-decorator>=3.4.0 # BSD
-eventlet>=0.21.0 # MIT
+decorator>=4.1.0 # BSD
+eventlet>=0.22.0 # MIT
 Jinja2>=2.10 # BSD License (3 clause)
 keystonemiddleware>=4.20.0 # Apache-2.0
 lxml!=3.7.0,>=3.4.1 # BSD
@@ -29,13 +29,13 @@ keystoneauth1>=3.16.0 # Apache-2.0
 python-neutronclient>=6.7.0 # Apache-2.0
 python-glanceclient>=2.8.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
-six>=1.10.0 # MIT
+six>=1.11.0 # MIT
 stevedore>=1.20.0 # Apache-2.0
 websockify>=0.9.0 # LGPLv3
 oslo.cache>=1.26.0 # Apache-2.0
 oslo.concurrency>=3.29.0 # Apache-2.0
 oslo.config>=6.1.0 # Apache-2.0
-oslo.context>=2.21.0 # Apache-2.0
+oslo.context>=2.22.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 oslo.reports>=1.18.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.21.1 # Apache-2.0
@@ -52,20 +52,20 @@ rfc3986>=1.1.0 # Apache-2.0
 oslo.middleware>=3.31.0 # Apache-2.0
 psutil>=3.2.2 # BSD
 oslo.versionedobjects>=1.35.0 # Apache-2.0
-os-brick>=3.0.1 # Apache-2.0
+os-brick>=3.1.0 # Apache-2.0
 os-resource-classes>=0.4.0 # Apache-2.0
 os-traits>=2.4.0 # Apache-2.0
 os-vif>=1.14.0 # Apache-2.0
-os-win>=3.0.0 # Apache-2.0
+os-win>=4.2.0 # Apache-2.0
 castellan>=0.16.0 # Apache-2.0
 microversion-parse>=0.2.1 # Apache-2.0
-os-xenapi>=0.3.3 # Apache-2.0
+os-xenapi>=0.3.4 # Apache-2.0
 tooz>=1.58.0 # Apache-2.0
 cursive>=0.2.1 # Apache-2.0
 pypowervm>=1.1.15 # Apache-2.0
 retrying>=1.3.3,!=1.3.0 # Apache-2.0
 os-service-types>=1.7.0 # Apache-2.0
-taskflow>=2.16.0 # Apache-2.0
+taskflow>=3.8.0 # Apache-2.0
 python-dateutil>=2.5.3 # BSD
 zVMCloudConnector>=1.3.0;sys_platform!='win32'  # Apache 2.0 License
 futurist>=1.8.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 2e6a61ad5fde..6edddcbdbf07 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,10 +11,10 @@ mock>=3.0.0 # BSD
 psycopg2>=2.7 # LGPL/ZPL
 PyMySQL>=0.7.6 # MIT License
 python-barbicanclient>=4.5.2 # Apache-2.0
-python-ironicclient!=2.7.1,>=2.7.0 # Apache-2.0
+python-ironicclient>=3.0.0 # Apache-2.0
 requests-mock>=1.2.0 # Apache-2.0
 oslotest>=3.8.0 # Apache-2.0
-stestr>=1.0.0 # Apache-2.0
+stestr>=2.0.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
 testresources>=2.0.0 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD