diff --git a/requirements.txt b/requirements.txt
index 00c7e64..ccf6079 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 urllib3>=1.21.1 # MIT
 oslo.log>=3.30.0 # Apache-2.0
-oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
+oslo.config>=4.6.0 # Apache-2.0
 oslo.policy>=1.23.0 # Apache-2.0
 tempest>=16.1.0 # Apache-2.0
 stevedore>=1.20.0 # Apache-2.0