diff --git a/requirements.txt b/requirements.txt
index e7e97ad..8ce9a01 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 pbr>=0.6,!=0.7,<1.0
 Babel>=1.3
 fixtures>=0.3.14
-oslo.config>=1.4.0  # Apache-2.0
+oslo.config>=1.6.0  # Apache-2.0
 iso8601>=0.1.9
 jsonschema>=2.0.0,<3.0.0
 httplib2>=0.7.5