diff --git a/build-constraints.yaml b/build-constraints.yaml
index 40b1ad34..e90b3a1f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -635,6 +635,7 @@ packages:
         - ap-normalize
         - boltzmann-samplers
         - first-class-families
+        - fcf-family
         - generic-data
         - generic-data-surgery
         - generic-functor