diff --git a/releasenotes/notes/set-cinder-api-v3-option-true-1b3e61e3129b7c00.yaml b/releasenotes/notes/set-cinder-api-v3-option-true-1b3e61e3129b7c00.yaml
new file mode 100644
index 0000000..6959ca7
--- /dev/null
+++ b/releasenotes/notes/set-cinder-api-v3-option-true-1b3e61e3129b7c00.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The volume config option 'api_v3' default is changed to
+    ``True`` because the volume v3 API is CURRENT.