diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6468c233..bf6a5048 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3704,6 +3704,7 @@ packages:
         - AvlTree
         - temporary-ospath
         - from-text
+        - hyperfunctions
 
     "Ashley Yakeley <ashley@semantic.org> @AshleyYakeley":
         - countable