diff --git a/requirements.txt b/requirements.txt
index dcba6fd13b..7c6f8aa62c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ six>=1.9.0
 Babel>=1.3
 cliff>=1.13.0 # Apache-2.0
 cliff-tablib>=1.0
-os-client-config>=1.2.0
+os-client-config>=1.4.0
 oslo.config>=1.11.0 # Apache-2.0
 oslo.i18n>=1.5.0 # Apache-2.0
 oslo.utils>=1.6.0 # Apache-2.0