Updated from global requirements
Change-Id: I69c1c41e4f1762ee028402ffb241efc517601400
diff --git a/requirements.txt b/requirements.txt
index 26e1f02..9f57ee1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@
netaddr!=0.7.16,>=0.7.13 # BSD
testrepository>=0.0.18 # Apache-2.0/BSD
oslo.concurrency>=3.8.0 # Apache-2.0
-oslo.config>=3.22.0 # Apache-2.0
+oslo.config>=4.0.0 # Apache-2.0
oslo.log>=3.22.0 # Apache-2.0
oslo.serialization>=1.10.0 # Apache-2.0
oslo.utils>=3.20.0 # Apache-2.0