diff --git a/requirements.txt b/requirements.txt
index 2362edf4c..7313e84d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ pbr>=1.6 # Apache-2.0
 
 debtcollector>=1.2.0 # Apache-2.0
 keystoneauth1>=2.14.0 # Apache-2.0
-oslo.config>=3.14.0 # Apache-2.0
+oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.17.0 # Apache-2.0