diff --git a/test-requirements.txt b/test-requirements.txt
index f875af6b..2c9bfb44 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0 # BSD
 ordereddict # MIT
-os-client-config>=1.27.0 # Apache-2.0
+os-client-config>=1.28.0 # Apache-2.0
 openstackdocstheme>=1.11.0 # Apache-2.0
 reno!=2.3.1,>=1.8.0 # Apache-2.0
 sphinx>=1.6.2 # BSD