Updated from global requirements

Change-Id: I3bc2ae9ccf8f5cb6f590dc51de389bfd7e920aa3
diff --git a/requirements.txt b/requirements.txt
index a9e7aeb..e97eece 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pbr>=0.6,<1.0
+pbr>=0.6,!=0.7,<1.0
 anyjson>=0.3.3
 httplib2>=0.7.5
 jsonschema>=2.0.0,<3.0.0
@@ -17,7 +17,7 @@
 python-saharaclient>=0.6.0
 python-swiftclient>=1.6
 testresources>=0.2.4
-keyring>=1.6.1,<2.0,>=2.1
+keyring>=2.1
 testrepository>=0.0.18
 oslo.config>=1.2.0
 six>=1.5.2