diff --git a/setup.cfg b/setup.cfg
index 94e0171b..a7d82eb2 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,7 +21,7 @@ classifier =
 
 [extras]
 test =
-  os-api-ref>=1.0.0 # Apache-2.0
+  os-api-ref>=1.4.0 # Apache-2.0
   reno>=2.5.0 # Apache-2.0
 # Notes:
 # reno needs openstackdocstheme which needs reno (cycle dep).