diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index 2c1ce25..6fd704a 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -6,6 +6,7 @@ osc-lib Release Notes
    :maxdepth: 1
 
    unreleased
+   ocata
    newton
 
 Indices and tables
diff --git a/releasenotes/source/ocata.rst b/releasenotes/source/ocata.rst
new file mode 100644
index 0000000..ebe62f4
--- /dev/null
+++ b/releasenotes/source/ocata.rst
@@ -0,0 +1,6 @@
+===================================
+ Ocata Series Release Notes
+===================================
+
+.. release-notes::
+   :branch: origin/stable/ocata