diff --git a/requirements.txt b/requirements.txt
index 31d20a7d..68de6b79 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,19 +1,19 @@
-pbr>=0.5.21,<1.0
+pbr>=0.6,!=0.7,<1.0
 
-Babel>=0.9.6
+Babel>=1.3
 eventlet
 # put back once it's patched
 # gear
-oslo.config>=1.2.0
+oslo.config>=1.2.1
 python-daemon>=1.6
-python_novaclient>=2.14.1,<2.14.2
-python_swiftclient>=1.3.0
-requests>=1.0.0
+python-novaclient>=2.17.0
+python-swiftclient>=2.0.2
+requests>=1.1
 dogapi
 pecan
-sqlalchemy>=0.8.0
-wsme>=0.5b2
+SQLAlchemy>=0.7.8,!=0.9.5,<=0.9.99
+WSME>=0.6
 mysql-connector-python
 ipaddress==1.0.4
-six
+six>=1.7.0
 kombu