diff --git a/requirements.txt b/requirements.txt
index 85a40c2ec..dfab23d32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ keystoneauth1>=2.14.0 # Apache-2.0
 keystonemiddleware!=4.5.0,>=4.2.0 # Apache-2.0
 microversion-parse>=0.1.2 # Apache-2.0
 openstacksdk>=0.9.7 # Apache-2.0
-oslo.config>=3.14.0 # Apache-2.0
+oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 oslo.context>=2.9.0 # Apache-2.0
 oslo.db!=4.13.1,!=4.13.2,>=4.10.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0