Updated from global requirements

Change-Id: I74744755891f65da2c1d7b7b475230d395a3a8ee

Author: OpenStack Proposal Bot

requirements.txt

@@ -18,4 +18,4 @@ python-keystoneclient!=1.8.0,!=2.1.0,>=1.7.0 # Apache-2.0
 python-novaclient!=2.33.0,>=2.29.0 # Apache-2.0
 python-cinderclient!=1.7.0,!=1.7.1,>=1.6.0 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
-stevedore>=1.10.0 # Apache-2.0
+stevedore>=1.16.0 # Apache-2.0