diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0fd4b45e..387a4ed0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2555,6 +2555,7 @@ packages:
         - dotgen
         - echo
         - eliminators
+        - foldable1-classes-compat
         - generic-deriving
         - ghc-bignum-orphans
         - hashmap