diff --git a/requirements.txt b/requirements.txt
index f32bc27a4..b553168e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ python-glanceclient>=2.5.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
-oslo.config>=3.14.0 # Apache-2.0
+oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.messaging>=5.2.0 # Apache-2.0
 oslo.middleware>=3.0.0 # Apache-2.0
 oslo.policy>=1.15.0 # Apache-2.0