diff --git a/build-constraints.yaml b/build-constraints.yaml
index b46f11c1..9c03456b 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3996,6 +3996,7 @@ packages:
         - hxt-http
         - hxt-regex-xmlschema
         - hxt-unicode
+        - hw-json-simd
         - iconv
         - ieee754
         - infer-license