diff --git a/lower-constraints.txt b/lower-constraints.txt
index 366e7bac7d4..57746f8d6f4 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -4,7 +4,7 @@ amqp==2.1.1
 appdirs==1.3.0
 astroid==1.3.8
 Babel==2.3.4
-bandit==1.4.0
+bandit==1.1.0
 bashate==0.5.1
 beautifulsoup4==4.6.0
 cachetools==2.0.0
@@ -24,8 +24,8 @@ eventlet==0.18.2
 extras==1.0.0
 fasteners==0.7.0
 fixtures==3.0.0
-flake8==2.5.5
 flake8-import-order==0.12
+flake8==2.5.5
 future==0.16.0
 futurist==1.2.0
 gitdb==0.6.4
@@ -66,7 +66,7 @@ os-xenapi==0.3.1
 osc-lib==1.8.0
 oslo.cache==1.26.0
 oslo.concurrency==3.25.0
-oslo.config==5.2.0
+oslo.config==5.1.0
 oslo.context==2.19.2
 oslo.db==4.27.0
 oslo.i18n==3.15.3
@@ -85,14 +85,14 @@ oslosphinx==4.7.0
 oslotest==3.2.0
 osprofiler==1.4.0
 ovs==2.8.0
-ovsdbapp==0.10.0
+ovsdbapp==0.9.1
 Paste==2.0.2
 PasteDeploy==1.5.0
 pbr==2.0.0
 pecan==1.0.0
 pep8==1.5.7
-pika==0.10.0
 pika-pool==0.1.3
+pika==0.10.0
 positional==1.2.1
 prettytable==0.7.2
 psutil==3.2.2
@@ -130,8 +130,8 @@ smmap==0.9.0
 snowballstemmer==1.2.1
 Sphinx==1.6.5
 sphinxcontrib-websupport==1.0.1
-SQLAlchemy==1.0.10
 sqlalchemy-migrate==0.11.0
+SQLAlchemy==1.0.10
 sqlparse==0.2.2
 statsd==3.2.1
 stestr==1.0.0
@@ -147,6 +147,7 @@ traceback2==1.4.0
 unittest2==1.1.0
 vine==1.1.4
 waitress==1.1.0
+weakrefmethod==1.0.2
 WebOb==1.7.1
 WebTest==2.0.27
 wrapt==1.7.0