diff --git a/build-constraints.yaml b/build-constraints.yaml
index 66a0091a..0638f5f3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1398,7 +1398,9 @@ packages:
         - HSet
 
     "Fumiaki Kinoshita <fumiexcel@gmail.com> @fumieval":
+        - boundingboxes
         - control-bool
+        - extensible
         - monad-skeleton
         - objective
         - witherable