diff --git a/requirements.txt b/requirements.txt
index 6f27fca1bd..39e6de90d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ pytz>=2013.6 # MIT
 stevedore>=1.20.0 # Apache-2.0
 pysendfile>=2.0.0 # MIT
 oslo.concurrency>=3.8.0 # Apache-2.0
-oslo.config>=4.0.0 # Apache-2.0
+oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
 oslo.context>=2.14.0 # Apache-2.0
 oslo.db>=4.21.1 # Apache-2.0
 oslo.rootwrap>=5.0.0 # Apache-2.0