diff --git a/docs/conf.py b/docs/conf.py
index 6864fc63..64757ea1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -88,13 +88,17 @@ todo_include_todos = True
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = 'alabaster'
+html_theme = 'sphinx_rtd_theme'
 
 # 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
 # documentation.
 #
-# html_theme_options = {}
+html_theme_options = {
+    'collapse_navigation': False,
+#    'display_version': True,
+#    'navigation_depth': 4,
+}
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,