diff --git a/requirements.txt b/requirements.txt
index 9b810f46e..8a65656f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ docker-py>=1.8.1 # Apache-2.0
 gitdb>=0.6.4 # BSD License (3 clause)
 GitPython>=1.0.1 # BSD License (3 clause)
 python-heatclient>=1.6.1 # 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.utils>=3.20.0 # Apache-2.0
 python-glanceclient>=2.7.0 # Apache-2.0