diff --git a/requirements.txt b/requirements.txt
index fba28080380..2e9ac43d12b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,8 +22,8 @@ tenacity>=3.2.1 # Apache-2.0
 ryu>=4.9 # Apache-2.0
 SQLAlchemy<1.1.0,>=1.0.10 # MIT
 WebOb>=1.6.0 # MIT
-keystoneauth1>=2.17.0 # Apache-2.0
-alembic>=0.8.4 # MIT
+keystoneauth1>=2.18.0 # Apache-2.0
+alembic>=0.8.10 # MIT
 six>=1.9.0 # MIT
 stevedore>=1.17.1 # Apache-2.0
 oslo.cache>=1.5.0 # Apache-2.0
@@ -46,7 +46,7 @@ oslo.versionedobjects>=1.17.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
 ovs>=2.6.1 # Apache-2.0
 pyroute2>=0.4.12 # Apache-2.0 (+ dual licensed GPL2)
-weakrefmethod>=1.0.2;python_version=='2.7'  # PSF
+weakrefmethod>=1.0.2;python_version=='2.7' # PSF
 
-python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
+python-novaclient!=7.0.0,>=6.0.0 # Apache-2.0
 python-designateclient>=1.5.0 # Apache-2.0