diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6cf03618..fddc21e0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -59,6 +59,7 @@ packages:
     "Phil de Joux <phil.dejoux@blockscope.com> @philderbeast":
         - siggy-chardust
         - detour-via-sci
+        - hpack-dhall
 
     "Matthew Ahrens <matt.p.ahrens@gmail.com> @mpahrens":
         - forkable-monad