diff --git a/requirements.txt b/requirements.txt
index a7d1656..1fcebea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ pbr>=0.6,!=0.7,<1.0
 Babel>=1.3
 iso8601>=0.1.9
 fixtures>=0.3.14
-oslo.config>=1.6.0  # Apache-2.0
+oslo.config>=1.9.0  # Apache-2.0
 oslo.i18n>=1.3.0  # Apache-2.0
 oslo.utils>=1.2.0                       # Apache-2.0
 posix_ipc