diff --git a/qstash/openapi.yaml b/qstash/openapi.yaml
index 8795c54f..75c2b333 100644
--- a/qstash/openapi.yaml
+++ b/qstash/openapi.yaml
@@ -1393,8 +1393,9 @@ paths:
                 parallelism:
                   type: integer
                   default: 1
+                  minimum: 1
                   description: |
-                    The number of parallel consumers consuming from the queue
+                    The number of parallel consumers consuming from the queue. Must be greater than 0.
       responses:
         '200':
           description: Queue created or updated successfully