diff --git a/test-requirements.txt b/test-requirements.txt
index 13a4d0b4..748d3ae5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,7 +10,7 @@ testrepository>=0.0.18 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 oslotest>=1.10.0 # Apache-2.0
 nose # LGPL
-oslo.config>=3.14.0,!=3.18.0 # Apache-2.0
+oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
 python-openstackclient>=3.3.0 # Apache-2.0
 
 # Documentation build requirements