diff --git a/docs/source/Reference.rst b/docs/source/Reference.rst
index ae80d66de8..297ec6dfc4 100644
--- a/docs/source/Reference.rst
+++ b/docs/source/Reference.rst
@@ -7,6 +7,10 @@ Show the API documentation for version:
 
 * `latest (main branch) <_static/api.html>`_
 
+* `version 5.2 <_static/api.html?version=v5.2>`_
+
+* `version 5.1 <_static/api.html?version=v5.1>`_
+
 * `version 5.0 <_static/api.html?version=v5.0>`_
 
 * `version 4.9 <_static/api.html?version=v4.9>`_