diff --git a/docs/use_case/.pages b/docs/use_case/.pages
index d6fc41a0..4950d304 100644
--- a/docs/use_case/.pages
+++ b/docs/use_case/.pages
@@ -25,3 +25,5 @@ nav:
   - planning_control.ja.md
   - diagnostics.en.md
   - diagnostics.ja.md
+  - ground_segmentation.en.md
+  - ground_segmentation.ja.md