diff --git a/src/PersonalAccessToken.php b/src/PersonalAccessToken.php
index bece0de..c9aa891 100644
--- a/src/PersonalAccessToken.php
+++ b/src/PersonalAccessToken.php
@@ -27,7 +27,7 @@ class PersonalAccessToken extends Model implements HasAbilities
         'name',
         'token',
         'abilities',
-        'expires_at'
+        'expires_at',
     ];
 
     /**