diff --git a/docs/release-notes/release-notes.rst b/docs/release-notes/release-notes.rst
--- a/docs/release-notes/release-notes.rst
+++ b/docs/release-notes/release-notes.rst
@@ -6,6 +6,9 @@ Release Notes
 |RCE| 4.x Versions
 ------------------
 
+.. toctree::
+   :maxdepth: 1
+
    release-notes-4.0.1.rst
    release-notes-4.0.0.rst