diff --git a/src/Modifiers/CoreModifiers.php b/src/Modifiers/CoreModifiers.php
index ccd2391a24d..7bb0f9f3d2d 100644
--- a/src/Modifiers/CoreModifiers.php
+++ b/src/Modifiers/CoreModifiers.php
@@ -671,6 +671,8 @@ public function formatTranslated($value, $params)
     /**
      * Converts a string to a Carbon instance and formats it according to the whim of the Overlord.
      *
+     * @deprecated formatLocalized is deprecated since Carbon 2.55.0. You may want to use isoFormat instead.
+     *
      * @param $value
      * @param $params
      * @return string