diff --git a/requirements.txt b/requirements.txt
index 3d62f8b..22e5244 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 pbr>=1.6 # Apache-2.0
 Django<1.9,>=1.8 # BSD
-oslo.config>=3.7.0 # Apache-2.0
+oslo.config>=3.9.0 # Apache-2.0
 oslo.policy>=0.5.0 # Apache-2.0
 python-keystoneclient!=1.8.0,!=2.1.0,>=1.6.0 # Apache-2.0
 keystoneauth1>=2.1.0 # Apache-2.0