diff --git a/lower-constraints.txt b/lower-constraints.txt
index c1b58ded3d..89d94e0d26 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,16 +1,16 @@
 alabaster==0.7.10
-alembic==0.9.8
+alembic==0.8.10
 amqp==2.2.2
 appdirs==1.4.3
 asn1crypto==0.24.0
 astroid==1.3.8
 automaton==1.14.0
-Babel==2.5.3
+Babel==2.3.4
 bandit==1.4.0
 bcrypt==3.1.4
 beautifulsoup4==4.6.0
 cachetools==2.0.1
-castellan==0.17.0
+castellan==0.16.0
 certifi==2018.1.18
 cffi==1.11.5
 chardet==3.0.4
@@ -18,14 +18,14 @@ click==6.7
 cliff==2.11.0
 cmd2==0.8.1
 contextlib2==0.5.5
-cotyledon==1.6.8
-coverage==4.5.1
-cryptography==2.1.4
+cotyledon==1.3.0
+coverage==4.0
+cryptography==2.1
 debtcollector==1.19.0
 decorator==4.2.1
 deprecation==2.0
-diskimage-builder==2.11.0
-doc8==0.8.0
+diskimage-builder==1.1.2
+doc8==0.6.0
 docutils==0.14
 dogpile.cache==0.6.5
 enum-compat==0.0.2
@@ -35,16 +35,18 @@ fasteners==0.14.1
 fixtures==3.0.0
 flake8==2.5.5
 flake8-import-order==0.12
-Flask==0.12.2
+Flask==0.10
 future==0.16.0
-futurist==1.6.0
+futurist==1.2.0
+futures==3.0.0
 gitdb2==2.0.3
 GitPython==2.1.8
 greenlet==0.4.13
-gunicorn==19.7.1
+gunicorn==19.0.0
 hacking==0.12.0
 idna==2.6
 imagesize==1.0.0
+ipaddress==1.0.17
 iso8601==0.1.12
 itsdangerous==0.24
 Jinja2==2.10
@@ -53,7 +55,7 @@ jsonpatch==1.21
 jsonpointer==2.0
 jsonschema==2.6.0
 keystoneauth1==3.4.0
-keystonemiddleware==4.21.0
+keystonemiddleware==4.17.0
 kombu==4.1.0
 linecache2==1.0.0
 logilab-common==1.4.1
@@ -67,7 +69,7 @@ mox3==0.25.0
 msgpack==0.5.6
 munch==2.2.0
 netaddr==0.7.19
-netifaces==0.10.6
+netifaces==0.10.4
 networkx==1.11
 openstacksdk==0.12.0
 os-client-config==1.29.0
@@ -76,31 +78,31 @@ osc-lib==1.10.0
 oslo.cache==1.29.0
 oslo.concurrency==3.26.0
 oslo.config==5.2.0
-oslo.context==2.20.0
-oslo.db==4.35.0
-oslo.i18n==3.20.0
-oslo.log==3.37.0
-oslo.messaging==5.36.0
-oslo.middleware==3.35.0
-oslo.policy==1.34.0
-oslo.reports==1.27.0
-oslo.serialization==2.25.0
+oslo.context==2.19.2
+oslo.db==4.27.0
+oslo.i18n==3.15.3
+oslo.log==3.36.0
+oslo.messaging==5.29.0
+oslo.middleware==3.31.0
+oslo.policy==1.30.0
+oslo.reports==1.18.0
+oslo.serialization==2.18.0
 oslo.service==1.30.0
-oslo.utils==3.36.0
-oslotest==3.3.0
+oslo.utils==3.33.0
+oslotest==3.2.0
 packaging==17.1
 paramiko==2.4.1
 Paste==2.0.3
 PasteDeploy==1.5.2
-pbr==3.1.1
-pecan==1.2.1
+pbr==2.0.0
+pecan==1.0.0
 pep8==1.7.1
 pika==0.10.0
 pika-pool==0.1.3
 prettytable==0.7.2
 psutil==5.4.3
-pyasn1==0.4.2
-pyasn1-modules==0.2.1
+pyasn1==0.1.8
+pyasn1-modules==0.0.6
 pycadf==2.7.0
 pycodestyle==2.3.1
 pycparser==2.18
@@ -108,52 +110,52 @@ pyflakes==1.0.0
 Pygments==2.2.0
 pyinotify==0.9.6
 pylint==1.4.5
-PyMySQL==0.8.0
+PyMySQL==0.7.6
 PyNaCl==1.2.1
-pyOpenSSL==17.5.0
+pyOpenSSL==17.1.0
 pyparsing==2.2.0
 pyperclip==1.6.0
 pyroute2==0.4.21
-python-barbicanclient==4.6.0
+python-barbicanclient==4.5.2
 python-dateutil==2.7.0
 python-editor==1.0.3
-python-glanceclient==2.9.1
+python-glanceclient==2.8.0
 python-keystoneclient==3.15.0
 python-mimeparse==1.6.0
 python-neutronclient==6.7.0
-python-novaclient==10.1.0
-python-subunit==1.2.0
+python-novaclient==9.1.0
+python-subunit==1.0.0
 pytz==2018.3
 PyYAML==3.12
 repoze.lru==0.7
-requests==2.18.4
-requests-mock==1.4.0
+requests==2.14.2
+requests-mock==1.2.0
 requestsexceptions==1.4.0
 restructuredtext-lint==1.1.3
-rfc3986==1.1.0
+rfc3986==0.3.1
 Routes==2.4.1
 setproctitle==1.1.10
 simplegeneric==0.8.1
 simplejson==3.13.2
-six==1.11.0
+six==1.10.0
 smmap2==2.0.3
 snowballstemmer==1.2.1
-Sphinx==1.6.5
+Sphinx==1.6.2
 sphinxcontrib-websupport==1.0.1
-SQLAlchemy==1.2.5
+SQLAlchemy==1.0.10
 sqlalchemy-migrate==0.11.0
 sqlparse==0.2.4
 statsd==3.2.2
 stestr==2.0.0
-stevedore==1.28.0
-taskflow==3.1.0
-tempest==18.0.0
+stevedore==1.20.0
+taskflow==2.16.0
+tempest==17.1.0
 Tempita==0.5.2
 tenacity==4.9.0
-testrepository==0.0.20
-testresources==2.0.1
-testscenarios==0.5.0
-testtools==2.3.0
+testrepository==0.0.18
+testresources==2.0.0
+testscenarios==0.4
+testtools==2.2.0
 traceback2==1.4.0
 unittest2==1.1.0
 urllib3==1.22
@@ -161,8 +163,8 @@ vine==1.1.4
 voluptuous==0.11.1
 waitress==1.1.0
 warlock==1.3.0
-WebOb==1.7.4
+WebOb==1.7.1
 WebTest==2.0.29
 Werkzeug==0.14.1
 wrapt==1.10.11
-WSME==0.9.2
+WSME==0.8.0