diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0b73cdcf..f25eb969 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3742,6 +3742,7 @@ packages:
         - cardano-coin-selection
         - monoidmap
         - monoidmap-aeson
+        - monoidmap-internal
         - monoidmap-quickcheck
         - quickcheck-groups
         - quickcheck-monoid-subclasses