diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4274f786..acc4a549 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2554,6 +2554,7 @@ packages:
         - dotgen
         - echo
         - eliminators
+        - foldable1-classes-compat
         - generic-deriving
         - ghc-bignum-orphans
         - hashmap