diff --git a/requirements.txt b/requirements.txt
index 3a32b69..7fe8858 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-pbr>=0.6,!=0.7,<1.0
+pbr>=0.11,<2.0
 anyjson>=0.3.3
 httplib2>=0.7.5
 jsonschema>=2.0.0,<3.0.0
@@ -11,12 +11,12 @@
 netaddr>=0.7.12
 testrepository>=0.0.18
 pyOpenSSL>=0.11
-oslo.concurrency>=1.8.0,<1.9.0         # Apache-2.0
-oslo.config>=1.9.3,<1.10.0  # 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
+oslo.concurrency>=1.8.0         # Apache-2.0
+oslo.config>=1.11.0  # Apache-2.0
+oslo.i18n>=1.5.0  # Apache-2.0
+oslo.log>=1.0.0  # Apache-2.0
+oslo.serialization>=1.4.0               # Apache-2.0
+oslo.utils>=1.4.0                       # Apache-2.0
 six>=1.9.0
 iso8601>=0.1.9
 fixtures>=0.3.14