diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index b78a366..1f52eba 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -7,4 +7,5 @@
 
    unreleased
    ussuri
+   train
    rocky
diff --git a/releasenotes/source/train.rst b/releasenotes/source/train.rst
new file mode 100644
index 0000000..b3c5d08
--- /dev/null
+++ b/releasenotes/source/train.rst
@@ -0,0 +1,6 @@
+===========================
+ Train Series Release Notes
+===========================
+
+ .. release-notes::
+    :branch: stable/train