diff --git a/build-constraints.yaml b/build-constraints.yaml
index a3e6635a..2f239fce 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2124,6 +2124,7 @@ packages:
         - hw-bits
         - hw-conduit
         - hw-diagnostics
+        - hw-json
         - hw-parser
         - hw-prim
         - hw-rankselect