diff --git a/build-constraints.yaml b/build-constraints.yaml
index dcf93456..4fb13e85 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4499,6 +4499,7 @@ packages:
         - bm
         - horizontal-rule
         - literatex
+        - phatsort
         - ttc
 
     "Jasper Woudenberg <mail@jasperwoudenberg.com> @jwoudenberg":