diff --git a/lib/workload_service_web/controllers/task_controller.ex b/lib/workload_service_web/controllers/task_controller.ex
index 5d97227..77b48cb 100644
--- a/lib/workload_service_web/controllers/task_controller.ex
+++ b/lib/workload_service_web/controllers/task_controller.ex
@@ -104,7 +104,7 @@ defmodule WorkloadServiceWeb.TaskController do
             "recorded_by" => "system",
             "document_data" => params["document_data"]
           },
-          attachments: List.wrap(params["document_url"])
+          attachments: params["document_urls"] || []
         }
 
         dispatch_and_respond(conn, id, command)
@@ -130,7 +130,7 @@ defmodule WorkloadServiceWeb.TaskController do
             "expiry_date" => params["expiry_date"],
             "recorded_by" => "system"
           },
-          attachments: []
+          attachments: params["document_urls"] || []
         }
 
         dispatch_and_respond(conn, id, command)
diff --git a/lib/workload_service_web/schemas/task.ex b/lib/workload_service_web/schemas/task.ex
index 97c07ac..1f804a0 100644
--- a/lib/workload_service_web/schemas/task.ex
+++ b/lib/workload_service_web/schemas/task.ex
@@ -79,7 +79,7 @@ defmodule WorkloadServiceWeb.Schemas.Task do
         valid_until: %Schema{type: :string, format: :date},
         plans: %Schema{type: :array, items: Plan, minItems: 1},
         document_data: %Schema{type: :object, additionalProperties: true, nullable: true},
-        document_url: %Schema{type: :string, nullable: true}
+        document_urls: %Schema{type: :array, items: %Schema{type: :string}, nullable: true}
       }
     })
   end
@@ -112,7 +112,7 @@ defmodule WorkloadServiceWeb.Schemas.Task do
         valid_until: %Schema{type: :string, format: :date},
         plans: %Schema{type: :array, items: Plan, minItems: 1},
         document_data: %Schema{type: :object, additionalProperties: true, nullable: true},
-        document_url: %Schema{type: :string, nullable: true}
+        document_urls: %Schema{type: :array, items: %Schema{type: :string}, nullable: true}
       }
     })
   end