diff --git a/src/Discord/Helpers/CollectionInterface.php b/src/Discord/Helpers/CollectionInterface.php
index a16704270..ff2cbdd66 100644
--- a/src/Discord/Helpers/CollectionInterface.php
+++ b/src/Discord/Helpers/CollectionInterface.php
@@ -45,6 +45,7 @@ public function collect();
     public function keys(): array;
     public function values(): array;
     public function diff($items, ?callable $callback);
+    public function intersect($items, ?callable $callback);
     public function offsetExists($offset): bool;
     #[\ReturnTypeWillChange]
     public function offsetGet($offset);