diff --git a/TODO.md b/TODO.md
index c1a5d8f..f48e594 100644
--- a/TODO.md
+++ b/TODO.md
@@ -8,3 +8,6 @@
 - [x] nav next/prev buttons use saved gallery sort and filter
 - [ ] bug: "gallery" buttin in nav should reset filter and sort selections
 - [ ] bug: styling on action buttons in prerender/isClient==false
+
+CI
+- [ ] incorporate branch name in cache keys and rebuild cache per-PR