diff --git a/index.md b/index.md
index 912a7fd..c832487 100644
--- a/index.md
+++ b/index.md
@@ -61,6 +61,7 @@ tools/upgrading-drutopia-platform-elizabeth-sites
 tools/uptime-monitoring
 tools/inspecting-logs
 templates/drupal-module-project
+tools/bookkeeping-with-gnucash
 ```
 
 ```{toctree}