diff --git a/docs/source/conf.py b/docs/source/conf.py
index abd76a7984ace1dfc1864efa1cbad36fea80102c..fc7d6d18a910cf705ea8bb8e5ad5dff7e2ac23e7 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -182,3 +182,11 @@ texinfo_documents = [
      author, 'BuildGrid', 'One line description of project.',
      'Miscellaneous'),
 ]
+
+# -- Options for the autodoc extension ----------------------------------------
+
+# This value selects if automatically documented members are sorted
+# alphabetical (value 'alphabetical'), by member type (value 'groupwise') or
+# by source order (value 'bysource'). The default is alphabetical.
+autodoc_member_order = 'bysource'
+