Updated from global requirements

Change-Id: I958576f5679ed176107d9cb9a4bf0dd1ff00b054

requirements.txt

@@ -12,7 +12,7 @@ oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.18.0 # Apache-2.0
+oslo.utils>=3.20.0 # Apache-2.0
 six>=1.9.0 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 PyYAML>=3.10.0 # MIT

test-requirements.txt

@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 hacking<0.13,>=0.12.0 # Apache-2.0
 # needed for doc build
-sphinx!=1.3b1,<1.4,>=1.2.1 # BSD
+sphinx>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 reno>=1.8.0 # Apache-2.0
 mock>=2.0 # BSD