diff --git a/docs/conf.py b/docs/conf.py
index 08ae6ce..2646553 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -39,7 +39,11 @@
 
 htmlhelp_basename = 'agatechartsdoc'
 
-autodoc_member_order = 'bysource'
+autodoc_default_options = {
+    'members': None,
+    'member-order': 'bysource',
+    'show-inheritance': True,
+}
 
 intersphinx_mapping = {
     'python': ('https://docs.python.org/3', None),