diff --git a/mkdocs.yaml b/mkdocs.yaml
index c61e711..a32d620 100644
--- a/mkdocs.yaml
+++ b/mkdocs.yaml
@@ -13,5 +13,6 @@ theme:
   name: material
   features:
     - header.autohide
+    - navigation.indexes
     - navigation.sections
     - navigation.tabs