Updated from global requirements

Change-Id: Iad84313636ee2f53777cdf05d60a322f7a252f27

Author: OpenStack Proposal Bot

requirements.txt

@@ -8,7 +8,7 @@ Babel>=1.3
 cliff>=1.7.0  # Apache-2.0
 cliff-tablib>=1.0
 oslo.i18n>=1.0.0  # Apache-2.0
-oslo.utils>=1.1.0                       # Apache-2.0
+oslo.utils>=1.2.0                       # Apache-2.0
 oslo.serialization>=1.0.0               # Apache-2.0
 python-glanceclient>=0.15.0
 python-keystoneclient>=0.11.1