diff --git a/requirements.txt b/requirements.txt
index 1042c2f..e7efdc4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@
 # xml parsing
 lxml!=3.7.0,>=3.4.1 # BSD
 tempest>=17.1.0 # Apache-2.0
-oslo.config>=5.1.0 # Apache-2.0
+oslo.config>=5.2.0 # Apache-2.0
 testtools>=2.2.0 # MIT
 six>=1.10.0 # MIT
 requests>=2.14.2 # Apache-2.0