diff --git a/build-constraints.yaml b/build-constraints.yaml
index fcff6e72..7b7a94c4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1055,6 +1055,7 @@ packages:
         - dhall
         - dhall-bash
         - dhall-json
+        - dhall-yaml
         - aeson-yaml  # req'd by dhall-json
         # - dhall-nix # deriving-compat via hnix