diff --git a/build-constraints.yaml b/build-constraints.yaml
index 56e08ef2..4cd1bd98 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2782,6 +2782,7 @@ packages:
         - pqueue
         - butcher
         - czipwith
+        - data-tree-print
         - brittany < 0 # GHC 8.4 via ghc-8.4.1
 
     "Ryan Mulligan <ryan@ryantm.com> @ryantm":