diff --git a/test-requirements.txt b/test-requirements.txt
index f81597b..26bf75c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,7 +14,7 @@ fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0 # BSD
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
-os-api-ref>=0.4.0 # Apache-2.0
+os-api-ref>=1.0.0 # Apache-2.0
 os-testr>=0.7.0 # Apache-2.0
 psycopg2>=2.5 # LGPL/ZPL
 pylint==1.4.5 # GPLv2