diff --git a/doc/sphinx/conf.py b/doc/sphinx/conf.py
index 440fe3bbe0..f01c6cc155 100644
--- a/doc/sphinx/conf.py
+++ b/doc/sphinx/conf.py
@@ -24,7 +24,7 @@
 # -- General configuration -----------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
-#needs_sphinx = '1.0'
+needs_sphinx = '2.0'
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
@@ -43,7 +43,11 @@
               'sphinx.ext.intersphinx',
               ]
 
-autodoc_default_flags = ['members','show-inheritance','undoc-members']
+autodoc_default_options = {
+    'members': True,
+    'show-inheritance': True,
+    'undoc-members': True
+}
 
 autoclass_content = 'both'