diff --git a/docs/.vitepress/config.mjs b/docs/.vitepress/config.mjs
index ecd30fd75c..b135a527b9 100644
--- a/docs/.vitepress/config.mjs
+++ b/docs/.vitepress/config.mjs
@@ -20,6 +20,9 @@ export default defineConfig({
     root: i18n.en_US
   },
   themeConfig: {
+    outline: {
+      level: 'deep'
+    },
     docFooter: {
       prev: false,
       next: false