diff --git a/lower-constraints.txt b/lower-constraints.txt
index d6aacb5adc..ef65916045 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,9 +1,9 @@
 alabaster==0.7.10
-alembic==0.8.10
-amqp==2.2.2
+alembic==0.9.6
+amqp==2.5.2
 appdirs==1.4.3
 asn1crypto==0.24.0
-astroid==1.3.8
+astroid==2.0.0
 automaton==1.14.0
 bandit==1.4.0
 bashate==0.5.1
@@ -33,7 +33,7 @@ eventlet==0.20.0
 extras==1.0.0
 fasteners==0.14.1
 fixtures==3.0.0
-flake8==2.5.5
+flake8==3.6.0
 flake8-import-order==0.12
 Flask==0.10
 future==0.16.0
@@ -43,7 +43,7 @@ gitdb2==2.0.3
 GitPython==2.1.8
 greenlet==0.4.13
 gunicorn==19.9.0
-hacking==1.1.0
+hacking==3.0
 idna==2.6
 imagesize==1.0.0
 ipaddress==1.0.17
@@ -57,20 +57,20 @@ jsonschema==3.2.0
 kazoo==2.6.0
 keystoneauth1==3.4.0
 keystonemiddleware==4.17.0
-kombu==4.1.0
+kombu==4.6.6
 linecache2==1.0.0
 logilab-common==1.4.1
 logutils==0.3.5
 Mako==1.0.7
 MarkupSafe==1.0
-mccabe==0.4.0
+mccabe==0.6.0
 monotonic==1.4
 mox3==0.25.0
 msgpack==0.5.6
 munch==2.2.0
 netaddr==0.7.19
 netifaces==0.10.4
-networkx==1.11
+networkx==2.1.0
 octavia-lib==2.2.0
 openstacksdk==0.12.0
 os-client-config==1.29.0
@@ -87,10 +87,10 @@ oslo.messaging==12.4.0
 oslo.middleware==4.0.1
 oslo.policy==1.30.0
 oslo.reports==1.18.0
-oslo.serialization==2.18.0
+oslo.serialization==2.28.1
 oslo.service==1.30.0
 oslo.upgradecheck==0.1.0
-oslo.utils==3.33.0
+oslo.utils==3.37.0
 oslotest==3.2.0
 packaging==17.1
 paramiko==2.4.1
@@ -106,13 +106,13 @@ psutil==5.4.3
 pyasn1==0.1.8
 pyasn1-modules==0.0.6
 pycadf==2.7.0
-pycodestyle==2.3.1
+pycodestyle==2.4.0
 pycparser==2.18
 pydot==1.2.4
-pyflakes==1.0.0
+pyflakes==2.0.0
 Pygments==2.2.0
 pyinotify==0.9.6
-pylint==1.9.2
+pylint==2.2.0
 PyMySQL==0.8.0
 PyNaCl==1.2.1
 pyOpenSSL==19.1.0
@@ -141,7 +141,6 @@ Routes==2.4.1
 setproctitle==1.1.10
 simplegeneric==0.8.1
 simplejson==3.13.2
-six==1.10.0
 smmap2==2.0.3
 snowballstemmer==1.2.1
 Sphinx==2.0.0
@@ -155,7 +154,7 @@ statsd==3.2.2
 stestr==2.0.0
 stevedore==1.20.0
 taskflow==4.4.0
-tempest==17.1.0
+tempest==21.0.0
 Tempita==0.5.2
 tenacity==5.0.4
 testrepository==0.0.18
@@ -168,7 +167,7 @@ urllib3==1.22
 vine==1.1.4
 voluptuous==0.11.1
 waitress==1.1.0
-warlock==1.3.0
+warlock==1.3.1
 WebOb==1.8.2
 WebTest==2.0.29
 Werkzeug==0.14.1
diff --git a/requirements.txt b/requirements.txt
index 2f4f194ff0..8a298ffd4a 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.
-alembic>=0.8.10 # MIT
+alembic>=0.9.6 # MIT
 cotyledon>=1.3.0 # Apache-2.0
 pecan>=1.3.2 # BSD
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
@@ -24,9 +24,9 @@ oslo.messaging>=12.4.0 # Apache-2.0
 oslo.middleware>=4.0.1 # Apache-2.0
 oslo.policy>=1.30.0 # Apache-2.0
 oslo.reports>=1.18.0 # Apache-2.0
-oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
+oslo.serialization>=2.28.1 # Apache-2.0
 oslo.upgradecheck>=0.1.0 # Apache-2.0
-oslo.utils>=3.33.0 # Apache-2.0
+oslo.utils>=3.37.0 # Apache-2.0
 pyasn1!=0.2.3,>=0.1.8 # BSD
 pyasn1-modules>=0.0.6 # BSD
 python-barbicanclient>=4.5.2 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 9231bb60f5..6028e6e673 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -15,7 +15,7 @@ testresources>=2.0.0 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 doc8>=0.6.0 # Apache-2.0
 bandit!=1.6.0,>=1.1.0 # Apache-2.0
-tempest>=17.1.0 # Apache-2.0
+tempest>=21.0.0 # Apache-2.0
 # Required for pep8 - doc8 tests
 sphinx>=2.0.0,!=2.1.0 # BSD
 bashate>=0.5.1 # Apache-2.0