diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index ea3b33c06..cf984a68a 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -19,6 +19,7 @@ Senlin Release Notes
    :maxdepth: 1
 
    unreleased
+   train
    stein
    rocky
    queens
diff --git a/releasenotes/source/train.rst b/releasenotes/source/train.rst
new file mode 100644
index 000000000..583900393
--- /dev/null
+++ b/releasenotes/source/train.rst
@@ -0,0 +1,6 @@
+==========================
+Train Series Release Notes
+==========================
+
+.. release-notes::
+   :branch: stable/train