diff --git a/src/Collection.php b/src/Collection.php
index 5d669ae3..90fbefaf 100644
--- a/src/Collection.php
+++ b/src/Collection.php
@@ -31,9 +31,9 @@ class Collection implements CollectionInterface, IteratorAggregate, Countable
     /**
      * Returns Iterator
      *
-     * @return array
+     * @return \Traversable
      */
-    public function getIterator()
+    public function getIterator(): \Traversable
     {
         return new ArrayIterator($this->items);
     }