diff --git a/src/taskSchema.js b/src/taskSchema.js
index b5ddf41..18e7db7 100644
--- a/src/taskSchema.js
+++ b/src/taskSchema.js
@@ -121,9 +121,14 @@ taskSchema.statics.startPolling = function startPolling(options) {
   const interval = options?.interval ?? 1000;
   const workerName = options?.workerName;
   const getCurrentTime = options?.getCurrentTime;
+  const parallel = options?.parallel;
+  if (parallel != null && (typeof parallel !== 'number' || parallel <= 0)) {
+    throw new Error('Invalid parallel option, must be a positive number');
+  }
   const pollOptions = {
     ...(workerName ? { workerName } : {}),
-    ...(getCurrentTime ? { getCurrentTime } : {})
+    ...(getCurrentTime ? { getCurrentTime } : {}),
+    ...(parallel != null ? { parallel } : {})
   };
   let cancelled = false;
   let timeout = null;