diff --git a/requirements.txt b/requirements.txt
index 7d227259..634c9a95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ iso8601>=0.1.9
 Jinja2>=2.6  # BSD License (3 clause)
 jsonschema>=2.0.0,<3.0.0
 netaddr>=0.7.12
-oslo.config>=1.6.0                      # Apache-2.0
+oslo.config>=1.9.0  # Apache-2.0
 oslo.db>=1.4.1                          # Apache-2.0
 oslo.i18n>=1.3.0                        # Apache-2.0
 oslo.log>=0.4.0  # Apache-2.0