diff --git a/build-constraints.yaml b/build-constraints.yaml
index b9e5b213..f19f8ba7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4382,6 +4382,7 @@ packages:
 
     "Michael Williams <mlcfp@icloud.com> @mlcfp":
         - zenacy-html
+        - zenacy-unicode
 
     "Grandfathered dependencies":
         - network