diff --git a/test-requirements.txt b/test-requirements.txt
index 1ec5a83e..dc3da485 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,5 +9,5 @@ sphinx!=1.3b1,<1.3,>=1.2.1 # BSD
 
 reno>=1.8.0 # Apache2
 
-os-api-ref>=0.4.0 # Apache-2.0
+os-api-ref>=1.0.0 # Apache-2.0
 oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0