diff --git a/requirements.txt b/requirements.txt
index 76c9b56..6862f89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,6 +11,6 @@ python-heatclient>=0.2.9
 requests>=2.2.0,!=2.4.0
 iso8601>=0.1.9
 lxml>=2.3
-oslo.config>=1.4.0  # Apache-2.0
+oslo.config>=1.6.0  # Apache-2.0
 six>=1.7.0
 dogpile.cache>=0.5.3