diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3de2b36a..11fed075 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -312,7 +312,7 @@ packages:
         - markov-chain
         - midi
         - midi-music-box
-        - mbox-utility < 0 # https://github.com/commercialhaskell/stackage/issues/4655
+        - mbox-utility
         - med-module
         - monoid-transformer
         - non-empty