diff --git a/requirements.txt b/requirements.txt
index 0b473d98..c8ffa926 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,12 +8,12 @@ iso8601>=0.1.9
 Jinja2>=2.6  # BSD License (3 clause)
 jsonschema>=2.0.0,<3.0.0
 netaddr>=0.7.12
-oslo.config>=1.9.0  # Apache-2.0
-oslo.db>=1.5.0  # Apache-2.0
-oslo.i18n>=1.3.0                        # Apache-2.0
-oslo.log>=0.4.0  # Apache-2.0
-oslo.serialization>=1.2.0               # Apache-2.0
-oslo.utils>=1.2.0                       # Apache-2.0
+oslo.config>=1.9.3,<1.10.0  # Apache-2.0
+oslo.db>=1.7.0,<1.8.0  # Apache-2.0
+oslo.i18n>=1.5.0,<1.6.0  # Apache-2.0
+oslo.log>=1.0.0,<1.1.0  # Apache-2.0
+oslo.serialization>=1.4.0,<1.5.0               # Apache-2.0
+oslo.utils>=1.4.0,<1.5.0                       # Apache-2.0
 paramiko>=1.13.0
 pbr>=0.6,!=0.7,<1.0
 PrettyTable>=0.7,<0.8
@@ -22,13 +22,13 @@ psycopg2
 python-designateclient>=1.0.0
 python-glanceclient>=0.15.0
 python-keystoneclient>=1.1.0
-python-novaclient>=2.18.0,!=2.21.0
+python-novaclient>=2.22.0
 python-neutronclient>=2.3.11,<3
 python-cinderclient>=1.1.0
 python-heatclient>=0.3.0
 python-ceilometerclient>=1.0.6
 python-ironicclient>=0.2.1
-python-saharaclient>=0.7.6
+python-saharaclient>=0.8.0
 python-troveclient>=1.0.7
 python-zaqarclient>=0.0.3
 python-swiftclient>=2.2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 76220c0b..e41fb72d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,5 +9,5 @@ mock>=1.0
 testrepository>=0.0.18
 testtools>=0.9.36,!=1.2.0
 
-oslosphinx>=2.2.0  # Apache-2.0
-oslotest>=1.2.0  # Apache-2.0
+oslosphinx>=2.5.0,<2.6.0  # Apache-2.0
+oslotest>=1.5.1,<1.6.0  # Apache-2.0