diff --git a/src/ElasticSearch/Parameters/Factory/MappingFactory.php b/src/ElasticSearch/Parameters/Factory/MappingFactory.php
index 7112e31..8a743f5 100644
--- a/src/ElasticSearch/Parameters/Factory/MappingFactory.php
+++ b/src/ElasticSearch/Parameters/Factory/MappingFactory.php
@@ -88,6 +88,12 @@ class MappingFactory {
           'type' => 'geo_point',
         ];
         break;
+
+      case 'bigint':
+        $mappingConfig = [
+          'type' => 'long',
+        ];
+        break;
     }
 
     // Allow other modules to alter mapping config before we create it.