diff --git a/requirements.txt b/requirements.txt
index b25207c23e..6cc3bca90e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ pbr!=2.1.0,>=2.0.0 # Apache-2.0
 docker-py>=1.8.1 # Apache-2.0
 Jinja2!=2.9.0,!=2.9.1,!=2.9.2,!=2.9.3,!=2.9.4,>=2.8 # BSD License (3 clause)
 six>=1.9.0 # MIT
-oslo.config>=4.0.0 # Apache-2.0
+oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
 oslo.utils>=3.20.0 # Apache-2.0
 setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0,!=34.3.0,!=34.3.1,!=34.3.2,>=16.0 # PSF/ZPL
 PyYAML>=3.10.0 # MIT