diff --git a/build-constraints.yaml b/build-constraints.yaml
index b4067180..f73d90c0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2906,7 +2906,7 @@ packages:
         - tsv2csv
 
     "Thomas Sutton <me@thomas-sutton.id.au> @thsutton":
-        # - aeson-diff
+        - aeson-diff
         - edit-distance-vector
 
     "Kyle Van Berendonck <kvanberendonck@gmail.com> @kvanberendonck":