diff --git a/docs/releases/index.rst b/docs/releases/index.rst
index 684b841c1e..a7c372b50a 100644
--- a/docs/releases/index.rst
+++ b/docs/releases/index.rst
@@ -22,6 +22,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   3.1.6
    3.1.5
    3.1.4
    3.1.3