diff --git a/src/Illuminate/Routing/RouteRegistrar.php b/src/Illuminate/Routing/RouteRegistrar.php
index 64c1359bd61d..7eb66a423f78 100644
--- a/src/Illuminate/Routing/RouteRegistrar.php
+++ b/src/Illuminate/Routing/RouteRegistrar.php
@@ -25,6 +25,7 @@
  * @method \Illuminate\Routing\RouteRegistrar prefix(string  $prefix)
  * @method \Illuminate\Routing\RouteRegistrar scopeBindings()
  * @method \Illuminate\Routing\RouteRegistrar where(array  $where)
+ * @method \Illuminate\Routing\RouteRegistrar whereIn(array|string  $parameters, array  $values)
  * @method \Illuminate\Routing\RouteRegistrar withoutMiddleware(array|string  $middleware)
  */
 class RouteRegistrar
@@ -67,6 +68,7 @@ class RouteRegistrar
         'prefix',
         'scopeBindings',
         'where',
+        'whereIn',
         'withoutMiddleware',
     ];