diff --git a/source/conf.py b/source/conf.py
index ce2bf82..8841a28 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -34,5 +34,6 @@ html_css_files = [
     'css/custom.css',
 ]
 html_theme_options = {
-    'navigation_depth': 5,
+    'navigation_depth': -1,
+    'collapse_navigation': False,
 }