diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/nesbot/carbon/src/Carbon/Lang/szl_PL.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/nesbot/carbon/src/Carbon/Lang/szl_PL.php
new file mode 100644
index 0000000..4b0b541
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/nesbot/carbon/src/Carbon/Lang/szl_PL.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * This file is part of the Carbon package.
+ *
+ * (c) Brian Nesbitt <brian@nesbot.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/*
+ * Authors:
+ * - szl_PL locale Przemyslaw Buczkowski libc-alpha@sourceware.org
+ */
+return array_replace_recursive(require __DIR__.'/en.php', [
+    'formats' => [
+        'L' => 'DD.MM.YYYY',
+    ],
+    'months' => ['styczyń', 'luty', 'merc', 'kwjeciyń', 'moj', 'czyrwjyń', 'lipjyń', 'siyrpjyń', 'wrzesiyń', 'październik', 'listopad', 'grudziyń'],
+    'months_short' => ['sty', 'lut', 'mer', 'kwj', 'moj', 'czy', 'lip', 'siy', 'wrz', 'paź', 'lis', 'gru'],
+    'weekdays' => ['niydziela', 'pyńdziŏek', 'wtŏrek', 'strzŏda', 'sztwortek', 'pjōntek', 'sobŏta'],
+    'weekdays_short' => ['niy', 'pyń', 'wtŏ', 'str', 'szt', 'pjō', 'sob'],
+    'weekdays_min' => ['niy', 'pyń', 'wtŏ', 'str', 'szt', 'pjō', 'sob'],
+    'first_day_of_week' => 1,
+    'day_of_first_week_of_year' => 4,
+
+    'year' => ':count rok',
+    'y' => ':count rok',
+    'a_year' => ':count rok',
+
+    'month' => ':count mjeśůnc',
+    'm' => ':count mjeśůnc',
+    'a_month' => ':count mjeśůnc',
+
+    'week' => ':count Tydźyń',
+    'w' => ':count Tydźyń',
+    'a_week' => ':count Tydźyń',
+
+    'day' => ':count dźyń',
+    'd' => ':count dźyń',
+    'a_day' => ':count dźyń',
+
+    'hour' => ':count godzina',
+    'h' => ':count godzina',
+    'a_hour' => ':count godzina',
+
+    'minute' => ':count Minuta',
+    'min' => ':count Minuta',
+    'a_minute' => ':count Minuta',
+
+    'second' => ':count Sekůnda',
+    's' => ':count Sekůnda',
+    'a_second' => ':count Sekůnda',
+]);