diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index b5eed53a41..fd6f6ec0ea 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -7,6 +7,8 @@
 
    current
 
+   train
+
    stein
 
    rocky
diff --git a/releasenotes/source/train.rst b/releasenotes/source/train.rst
new file mode 100644
index 0000000000..583900393c
--- /dev/null
+++ b/releasenotes/source/train.rst
@@ -0,0 +1,6 @@
+==========================
+Train Series Release Notes
+==========================
+
+.. release-notes::
+   :branch: stable/train