diff --git a/stubs/Collections.phpstub b/stubs/Collections.phpstub
index 165465d..6b7ea0f 100644
--- a/stubs/Collections.phpstub
+++ b/stubs/Collections.phpstub
@@ -170,6 +170,7 @@ interface Collection extends Countable, IteratorAggregate, ArrayAccess
 interface Selectable
 {
     /**
+     * @psalm-mutation-free
      * @return Collection<TKey,TValue>
      */
     public function matching(Criteria $criteria);