diff --git a/requirements.txt b/requirements.txt
index 89474894..cca3e39a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ python-neutronclient>=6.3.0 # Apache-2.0
 python-glanceclient>=2.7.0 # Apache-2.0
 oslo.cache>=1.5.0 # Apache-2.0
 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