Updated from global requirements

Change-Id: I8818c5898760047d8123c76fcb62be7925adfe6b
diff --git a/requirements.txt b/requirements.txt
index 9b47e77..4af8bb3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@
 testscenarios>=0.4 # Apache-2.0/BSD
 PyYAML>=3.10.0 # MIT
 python-subunit>=0.0.18 # Apache-2.0/BSD
-stevedore>=1.16.0 # Apache-2.0
+stevedore>=1.17.1 # Apache-2.0
 PrettyTable<0.8,>=0.7.1 # BSD
 os-testr>=0.8.0 # Apache-2.0
 urllib3>=1.15.1 # MIT