diff --git a/releasenotes/notes/os_tenant_name-3ee175763bff455b.yaml b/releasenotes/notes/os_tenant_name-3ee175763bff455b.yaml
new file mode 100644
index 0000000..936bf1f
--- /dev/null
+++ b/releasenotes/notes/os_tenant_name-3ee175763bff455b.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Remove the deprecated argument ``os-tenant-name`` or ``OS_TENANT_NAME`` in favour of
+    ``os-project-name`` argument.