diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index c1196cb5..c4184065 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -8,4 +8,5 @@ Contents:
    :maxdepth: 1
 
    unreleased
+   train
    stein
diff --git a/releasenotes/source/train.rst b/releasenotes/source/train.rst
new file mode 100644
index 00000000..58390039
--- /dev/null
+++ b/releasenotes/source/train.rst
@@ -0,0 +1,6 @@
+==========================
+Train Series Release Notes
+==========================
+
+.. release-notes::
+   :branch: stable/train