diff --git a/test-requirements.txt b/test-requirements.txt
index 49949b3..0db18b7 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,7 +10,7 @@ openstackdocstheme>=1.17.0 # Apache-2.0
 sphinx>=1.6.2 # BSD
 
 # for testing optional parts
-oslo.config>=4.6.0 # Apache-2.0
+oslo.config>=5.1.0 # Apache-2.0
 eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
 greenlet>=0.4.10 # MIT