diff --git a/source/conf.py b/source/conf.py
index 177993f..d34ba74 100644
--- a/source/conf.py
+++ b/source/conf.py
@@ -34,9 +34,9 @@ html_css_files = [
     'css/custom.css',
 ]
 html_theme_options = {
-    'navigation_depth': -1,
+    'navigation_depth': 1,
     'sticky_navigation': False,
     'collapse_navigation': False,
     'globaltoc_collapse': True,
-    'globaltoc_maxdepth': -1,
+    'globaltoc_maxdepth': 1,
 }