diff --git a/build-constraints.yaml b/build-constraints.yaml
index 54acfac5..ff1cd870 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4327,6 +4327,9 @@ packages:
         - c14n
         - wai-saml2
 
+    "Jun Narumi <narumij@gmail.com> @narumij":
+        - matrix-as-xyz
+        
     "Grandfathered dependencies":
         - network
         - Boolean