diff --git a/build-constraints.yaml b/build-constraints.yaml
index 47496b74..57639042 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5094,6 +5094,7 @@ packages:
 
     "James Cranch <cranch@cantab.net> @jcranch":
         - agreeing
+        - partialord
         - tophat
 
     "Jan Synacek <jan.synacek@scrive.com> @jsynacek":