diff --git a/requirements.txt b/requirements.txt
index 6fccb131..888cc7c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ keystonemiddleware>=4.0.0
 lxml>=2.3
 msgpack-python>=0.4.0
 oslo.context>=0.2.0 # Apache-2.0
-oslo.db>=3.2.0 # Apache-2.0
+oslo.db>=4.1.0 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
 oslo.config>=2.7.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
@@ -25,10 +25,10 @@ pecan>=1.0.0
 oslo.messaging!=2.8.0,!=3.1.0,>2.6.1 # Apache-2.0
 oslo.middleware>=3.0.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=2.8.0 # Apache-2.0
+oslo.utils>=3.2.0 # Apache-2.0
 pysnmp<5.0.0,>=4.2.1
 python-ceilometerclient>=2.0.0
-python-glanceclient>=0.18.0
+python-glanceclient>=1.2.0
 python-keystoneclient!=1.8.0,>=1.6.0
 keystoneauth1>=2.1.0
 python-neutronclient>=2.6.0
@@ -36,12 +36,12 @@ python-novaclient!=2.33.0,>=2.29.0
 python-swiftclient>=2.2.0
 pytz>=2013.6
 PyYAML>=3.1.0
-requests>=2.8.1
+requests!=2.9.0,>=2.8.1
 six>=1.9.0
 SQLAlchemy<1.1.0,>=0.9.9
 sqlalchemy-migrate>=0.9.6
 stevedore>=1.5.0 # Apache-2.0
-tooz>=1.19.0 # Apache-2.0
+tooz>=1.28.0 # Apache-2.0
 Werkzeug>=0.7 # BSD License
 WebOb>=1.2.3
 WSME>=0.8