diff --git a/requirements.txt b/requirements.txt
index 68805a98..954467c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Babel!=2.4.0,>=2.3.4 # BSD
 
 os-brick>=1.13.1 # Apache-2.0
 os-win>=2.0.0 # 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.log>=3.22.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0