diff --git a/requirements.txt b/requirements.txt
index 331462e5c4..c34c51945e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ kubernetes>=1.0.0b1 # Apache-2.0
 marathon>=0.8.6 # MIT
 netaddr!=0.7.16,>=0.7.13 # BSD
 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.i18n!=3.15.2,>=2.1.0 # Apache-2.0