diff --git a/requirements.txt b/requirements.txt
index cbd9a1c..78101a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 six>=1.9.0 # 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.messaging!=5.25.0,>=5.24.2 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0