diff --git a/lower-constraints.txt b/lower-constraints.txt
index 53abd62e1..f8ea81fcc 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
 bandit==1.1.0
@@ -16,8 +16,8 @@ cliff==2.11.0
 cmd2==0.8.1
 contextlib2==0.5.5
 coverage==4.0
-cryptography==2.1.4
-debtcollector==1.2.0
+cryptography==3.2.0
+debtcollector==1.19.0
 decorator==4.2.1
 deprecation==2.0
 dnspython==1.16.0
@@ -50,7 +50,7 @@ jsonschema==3.2.0
 kazoo==2.6.0
 keystoneauth1==3.4.0
 keystonemiddleware==4.17.0
-kombu==4.2.1
+kombu==4.6.6
 linecache2==1.0.0
 logutils==0.3.5
 Mako==1.0.7
@@ -66,31 +66,31 @@ openstacksdk==0.12.0
 os-api-ref==1.5.0
 os-client-config==1.29.0
 os-service-types==1.2.0
-os-win==3.0.0
+os-win==4.1.0
 osc-lib==1.10.0
 oslo.cache==1.29.0
 oslo.concurrency==4.2.0
 oslo.config==5.2.0
-oslo.context==2.19.2
+oslo.context==2.22.0
 oslo.db==8.3.0
-oslo.i18n==3.15.3
+oslo.i18n==3.20.0
 oslo.log==4.3.0
 oslo.messaging==12.4.0
 oslo.middleware==3.31.0
 oslo.policy==2.1.0
 oslo.reports==1.18.0
 oslo.rootwrap==5.8.0
-oslo.serialization==2.18.0
-oslo.service==1.24.0
+oslo.serialization==2.25.0
+oslo.service==1.31.0
 oslo.upgradecheck==0.1.0
-oslo.utils==3.33.0
+oslo.utils==3.37.0
 oslo.versionedobjects==1.31.2
 oslotest==3.2.0
 packaging==17.1
 paramiko==2.7.1
 Paste==2.0.2
 PasteDeploy==1.5.0
-pbr==2.0.0
+pbr==3.1.1
 pecan==1.0.0
 pika-pool==0.1.3
 pika==0.10.0
@@ -107,7 +107,7 @@ PyNaCl==1.2.1
 pyparsing==2.2.0
 pyperclip==1.6.0
 python-dateutil==2.7.0
-python-designateclient==2.7.0
+python-designateclient==2.12.0
 python-editor==1.0.3
 python-keystoneclient==3.15.0
 python-memcached==1.56
@@ -124,7 +124,7 @@ restructuredtext-lint==1.1.3
 rfc3986==1.1.0
 Routes==2.4.1
 simplejson==3.13.2
-six==1.10.0
+six==1.11.0
 smmap2==2.0.3
 snowballstemmer==1.2.1
 sqlalchemy-migrate==0.11.0
@@ -134,7 +134,7 @@ statsd==3.2.2
 stestr==2.0.0
 stevedore==1.20.0
 suds-jurko==0.6
-tempest==17.1.0
+tempest==21.0.0
 Tempita==0.5.2
 tenacity==6.0.0
 testresources==2.0.1
diff --git a/requirements.txt b/requirements.txt
index 415c94745..176d983d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,20 +17,20 @@ oslo.middleware>=3.31.0 # Apache-2.0
 oslo.log>=4.3.0 # Apache-2.0
 oslo.reports>=1.18.0 # Apache-2.0
 oslo.rootwrap>=5.8.0 # Apache-2.0
-oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
-oslo.service!=1.28.1,>=1.24.0 # Apache-2.0
+oslo.serialization>=2.25.0 # Apache-2.0
+oslo.service>=1.31.0 # Apache-2.0
 oslo.upgradecheck>=0.1.0
-oslo.utils>=3.33.0 # Apache-2.0
+oslo.utils>=3.37.0 # Apache-2.0
 oslo.versionedobjects>=1.31.2 # Apache-2.0
 Paste>=2.0.2 # MIT
 PasteDeploy>=1.5.0 # MIT
-pbr!=2.1.0,>=2.0.0 # Apache-2.0
+pbr>=3.1.1 # Apache-2.0
 pecan!=1.0.2,!=1.0.3,!=1.0.4,!=1.2,>=1.0.0 # BSD
-python-designateclient>=2.7.0 # Apache-2.0
+python-designateclient>=2.12.0 # Apache-2.0
 python-neutronclient>=6.7.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 tenacity>=6.0.0 # Apache-2.0
-six>=1.10.0 # MIT
+six>=1.11.0 # MIT
 SQLAlchemy>=1.2.19 # MIT
 sqlalchemy-migrate>=0.11.0 # Apache-2.0
 stevedore>=1.20.0 # Apache-2.0
@@ -38,14 +38,14 @@ suds-jurko>=0.6 # LGPLv3+
 WebOb>=1.7.1 # MIT
 dnspython>=1.16.0  # http://www.dnspython.org/LICENSE
 oslo.db>=8.3.0 # Apache-2.0
-oslo.i18n>=3.15.3 # Apache-2.0
-oslo.context>=2.19.2 # Apache-2.0
+oslo.i18n>=3.20.0 # Apache-2.0
+oslo.context>=2.22.0 # Apache-2.0
 oslo.policy>=2.1.0 # Apache-2.0
 Werkzeug>=0.9 # BSD License
 python-memcached>=1.56 # PSF
 tooz>=1.58.0 # Apache-2.0
-debtcollector>=1.2.0 # Apache-2.0
-os-win>=3.0.0 # Apache-2.0
+debtcollector>=1.19.0 # Apache-2.0
+os-win>=4.1.0 # Apache-2.0
 monasca-statsd>=1.4.0 # Apache-2.0
 futurist>=1.2.0 # Apache-2.0
 edgegrid-python>=1.1.1 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index f17d9b2a9..09d939bf9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -12,7 +12,7 @@ requests-mock>=1.2.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 testscenarios>=0.4 # Apache-2.0/BSD
 WebTest>=2.0.27 # MIT
-tempest>=17.1.0 # Apache-2.0
+tempest>=21.0.0 # Apache-2.0
 # Bandit security code scanner
 bandit>=1.1.0 # Apache-2.0
 zake>=0.1.6 # Apache-2.0