diff --git a/build-constraints.yaml b/build-constraints.yaml
index f7e31ee4..fed8f0ae 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -250,6 +250,7 @@ packages:
         - snap-server
         - newtype-generics
         - bsb-http-chunked
+        - coercible-utils
 
     "Joe M <joe9mail@gmail.com> @joe9":
         - logger-thread