diff --git a/build-constraints.yaml b/build-constraints.yaml
index 805ab771..9223221a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4072,6 +4072,7 @@ packages:
         - hxt-unicode
         - iconv
         - ieee754
+        - indexed
         - infer-license
         - insert-ordered-containers
         - inspection-testing