Updated from global requirements

Change-Id: I7373cde724ca25b844e15eac3d33a5cb805040db
diff --git a/requirements.txt b/requirements.txt
index 7d01f69..84be219 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.11.0 # Apache-2.0
+oslo.utils>=3.14.0 # Apache-2.0
 six>=1.9.0 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD