Validate ip_version_for_ssh

Change-Id: Id016a8a7cbb61c186ee553c73ac00e2ba7c13a77
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>
diff --git a/requirements.txt b/requirements.txt
index d3e2e28..91a26fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # you find any incorrect lower bounds, let us know or propose a fix.
 
 keystoneauth1>=3.4.0 # Apache-2.0
-oslo.config>=5.2.0 # Apache-2.0
+oslo.config>=9.3.0 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
 oslo.messaging>=5.29.0 # Apache-2.0
 os-collect-config>=5.0.0 # Apache-2.0