diff --git a/desktop-new/.gitignore b/desktop-new/.gitignore
index f3a0b5e2f3..39e48f6406 100644
--- a/desktop-new/.gitignore
+++ b/desktop-new/.gitignore
@@ -5,3 +5,7 @@ test-results
 *.log
 .DS_Store
 src/app/routeTree.gen.ts
+
+# Local-only dev tooling. A config here wraps the committed vite.config.ts to
+# add a personal plugin; it is ignored so it cannot be committed by accident.
+vite.local.config.ts