diff --git a/requirements.txt b/requirements.txt
index 83450edd8f8..1a6755da7dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ alembic>=1.6.5 # MIT
 stevedore>=2.0.1 # Apache-2.0
 oslo.cache>=1.26.0 # Apache-2.0
 oslo.concurrency>=3.26.0 # Apache-2.0
-oslo.config>=8.0.0 # Apache-2.0
+oslo.config>=9.0.0 # Apache-2.0
 oslo.context>=2.22.0 # Apache-2.0
 oslo.db>=4.44.0 # Apache-2.0
 oslo.i18n>=3.20.0 # Apache-2.0