diff --git a/build-constraints.yaml b/build-constraints.yaml
index 64a4df0d..cd2ede06 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -544,6 +544,7 @@ packages:
         - first-class-families
         - generic-data
         - generic-data-surgery
+        - generic-functor
         - generic-random
         - scanf
         - show-combinators