diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/nesbot/carbon/src/Carbon/Lang/de_AT.php b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/nesbot/carbon/src/Carbon/Lang/de_AT.php
new file mode 100644
index 0000000..a2ea4c0
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/nesbot/carbon/src/Carbon/Lang/de_AT.php
@@ -0,0 +1,27 @@
+<?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:
+ * - sheriffmarley
+ * - Timo
+ * - Michael Hohl
+ * - Namoshek
+ * - Bernhard Baumrock (BernhardBaumrock)
+ */
+return array_replace_recursive(require __DIR__.'/de.php', [
+    'months' => [
+        0 => 'Jänner',
+    ],
+    'months_short' => [
+        0 => 'Jän',
+    ],
+]);