diff --git a/src/backend/InvenTree/InvenTree/api_version.py b/src/backend/InvenTree/InvenTree/api_version.py
index 52525f523d..e31ef825bb 100644
--- a/src/backend/InvenTree/InvenTree/api_version.py
+++ b/src/backend/InvenTree/InvenTree/api_version.py
@@ -1,13 +1,16 @@
 """InvenTree API version information."""
 
 # InvenTree API version
-INVENTREE_API_VERSION = 263
+INVENTREE_API_VERSION = 264
 
 """Increment this API version number whenever there is a significant change to the API that any clients need to know about."""
 
 
 INVENTREE_API_TEXT = """
 
+264 - 2024-10-03 : https://github.com/inventree/InvenTree/pull/8231
+    - Adds Sales Order Shipment attachment model type
+
 263 - 2024-09-30 : https://github.com/inventree/InvenTree/pull/8194
     - Adds Sales Order Shipment report
 
diff --git a/src/backend/InvenTree/order/models.py b/src/backend/InvenTree/order/models.py
index 13372fc2c0..30b6746a11 100644
--- a/src/backend/InvenTree/order/models.py
+++ b/src/backend/InvenTree/order/models.py
@@ -1738,6 +1738,7 @@ class SalesOrderLineItem(OrderLineItem):
 
 
 class SalesOrderShipment(
+    InvenTree.models.InvenTreeAttachmentMixin,
     InvenTree.models.InvenTreeNotesMixin,
     report.mixins.InvenTreeReportMixin,
     InvenTree.models.MetadataMixin,
@@ -1921,6 +1922,13 @@ class SalesOrderShipment(
 
         trigger_event('salesordershipment.completed', id=self.pk)
 
+    def create_attachment(self, *args, **kwargs):
+        """Create an attachment / link on parent order.
+
+        This will only be called when a generated report should be attached to this instance.
+        """
+        return self.order.create_attachment(*args, **kwargs)
+
 
 class SalesOrderExtraLine(OrderExtraLine):
     """Model for a single ExtraLine in a SalesOrder.