diff --git a/TODO.md b/TODO.md
index 6af7f1b..5c33350 100644
--- a/TODO.md
+++ b/TODO.md
@@ -20,6 +20,9 @@
   - Keep placeholder and demo stuff
   - Move other things
   - Prevent styles to be global
+- Adapt bootstrap utility API
+  - https://github.com/twbs/bootstrap/blob/main/scss/utilities/_api.scss
+  - https://github.com/twbs/bootstrap/blob/main/scss/_utilities.scss
 
 # JS