diff --git a/openapi.yaml b/openapi.yaml
index 70050ae..06a0e38 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -10189,6 +10189,7 @@ components:
           description: A string that uniquely identifies the warehouse
         submission_id:
           deprecated: true
+          nullable: true
           type: string
           minLength: 1
           example: '9475711899564878915476'