diff --git a/requirements.txt b/requirements.txt
index ae261de..4bd9546 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 
 pbr>=1.6 # Apache-2.0
 oslo.concurrency>=3.5.0 # Apache-2.0
-oslo.config>=3.7.0 # Apache-2.0
+oslo.config>=3.9.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.service>=1.0.0 # Apache-2.0
 oslo.utils>=3.5.0 # Apache-2.0