diff --git a/RELEASING.rst b/RELEASING.rst
index 79b4e2f764d..5723fe197c2 100644
--- a/RELEASING.rst
+++ b/RELEASING.rst
@@ -146,6 +146,10 @@ Both automatic and manual processes described above follow the same steps from t
 
 #. Merge the PR. **Make sure it's not squash-merged**, so that the tagged commit ends up in the main branch.
 
+#. For major and minor releases (or the first prerelease of it),
+   in the `ReadTheDocs admin page <https://app.readthedocs.org/projects/pytest/>`__, click "Add Version" on the top right,
+   choose the new branch, then set the new version as active.
+
 #. Cherry-pick the CHANGELOG / announce files to the ``main`` branch::
 
        git fetch upstream