diff --git a/delivery_ups_hibou/models/ups_request_patch.py b/delivery_ups_hibou/models/ups_request_patch.py
index 60d2c73e..90911774 100644
--- a/delivery_ups_hibou/models/ups_request_patch.py
+++ b/delivery_ups_hibou/models/ups_request_patch.py
@@ -403,7 +403,7 @@ def patched_set_package_detail(self, client, packages, packaging_type, ship_from
         package.PackageWeight = self.factory_ns2.PackageWeightType()
         package.PackageWeight.UnitOfMeasurement = MeasurementType()
         package.PackageWeight.UnitOfMeasurement.Code = p.weight_unit or ''
-        package.PackageWeight.Weight = p.weight or ''
+        package.PackageWeight.Weight = p.shipping_weight or p.weight or ''
 
         # Package and shipment reference text is only allowed for shipments within
         # the USA and within Puerto Rico. This is a UPS limitation.
diff --git a/external/hiboubox b/external/hiboubox
index db682ab7..bd91a9b7 160000
--- a/external/hiboubox
+++ b/external/hiboubox
@@ -1 +1 @@
-Subproject commit db682ab7e9afd291e776ddb42ce3cd7cd3ed4cc0
+Subproject commit bd91a9b70d9af874aee39e2a11ad5481ecfee39d