diff --git a/src/Elasticsearch/Endpoints/Index.php b/src/Elasticsearch/Endpoints/Index.php
index 978474c13..40c03224d 100644
--- a/src/Elasticsearch/Endpoints/Index.php
+++ b/src/Elasticsearch/Endpoints/Index.php
@@ -97,6 +97,7 @@ protected function getParamWhitelist()
             'ttl',
             'version',
             'version_type',
+            'pipeline'
         );
     }