diff --git a/docs/conf.py b/docs/conf.py
index <HASH>..<HASH> 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -14,6 +14,9 @@
 
 import os
 import sys
+
+sys.modules.update((mod_name, Mock()) for mod_name in MOCK_MODULES)
+
 sys.path.insert(0, os.path.abspath('..'))
 sys.path.insert(0, os.path.abspath('.'))
 
@@ -42,9 +45,8 @@ release = '1.22'
 extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.intersphinx',
-    'sphinx.ext.coverage',
     'sphinx.ext.githubpages',
-    'sphinxcontrib.napoleon',
+    'sphinx.ext.napoleon',
     'sphinx_automodapi.automodapi'
 ]
 
@@ -81,7 +83,7 @@ pygments_style = 'sphinx'
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'sphinxdoc'
+html_theme = 'default'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
Updates to documentation for readthedocs.io