diff --git a/CHANGELOG.md b/CHANGELOG.md
index df540ce9..6af7076e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,9 @@ Exclamation symbols (:exclamation:) note something of importance e.g. breaking c
 ## [Unreleased]
 ### Notes
 - [:ledger: View file changes][Unreleased]
+- 64 bit PHP installs are required to handle files larger than 2GB!
 ### Added
+- Bot API 6.1 (@jyxjjj, @OxMohsen, @noplanman) (#1333, #1338, #1339)
 ### Changed
 ### Deprecated
 ### Removed
diff --git a/src/DB.php b/src/DB.php
index 6953c2d8..7ff97783 100644
--- a/src/DB.php
+++ b/src/DB.php
@@ -421,16 +421,18 @@ public static function insertUser(User $user, ?string $date = null, ?Chat $chat
         try {
             $sth = self::$pdo->prepare('
                 INSERT INTO `' . TB_USER . '`
-                (`id`, `is_bot`, `username`, `first_name`, `last_name`, `language_code`, `created_at`, `updated_at`)
+                (`id`, `is_bot`, `username`, `first_name`, `last_name`, `language_code`, `is_premium`, `added_to_attachment_menu`, `created_at`, `updated_at`)
                 VALUES
-                (:id, :is_bot, :username, :first_name, :last_name, :language_code, :created_at, :updated_at)
+                (:id, :is_bot, :username, :first_name, :last_name, :language_code, :is_premium, :added_to_attachment_menu, :created_at, :updated_at)
                 ON DUPLICATE KEY UPDATE
-                    `is_bot`         = VALUES(`is_bot`),
-                    `username`       = VALUES(`username`),
-                    `first_name`     = VALUES(`first_name`),
-                    `last_name`      = VALUES(`last_name`),
-                    `language_code`  = VALUES(`language_code`),
-                    `updated_at`     = VALUES(`updated_at`)
+                    `is_bot`                   = VALUES(`is_bot`),
+                    `username`                 = VALUES(`username`),
+                    `first_name`               = VALUES(`first_name`),
+                    `last_name`                = VALUES(`last_name`),
+                    `language_code`            = VALUES(`language_code`),
+                    `is_premium`               = VALUES(`is_premium`),
+                    `added_to_attachment_menu` = VALUES(`added_to_attachment_menu`),
+                    `updated_at`               = VALUES(`updated_at`)
             ');
 
             $sth->bindValue(':id', $user->getId());
@@ -439,6 +441,8 @@ public static function insertUser(User $user, ?string $date = null, ?Chat $chat
             $sth->bindValue(':first_name', $user->getFirstName());
             $sth->bindValue(':last_name', $user->getLastName());
             $sth->bindValue(':language_code', $user->getLanguageCode());
+            $sth->bindValue(':is_premium', $user->getIsPremium(), PDO::PARAM_INT);
+            $sth->bindValue(':added_to_attachment_menu', $user->getAddedToAttachmentMenu(), PDO::PARAM_INT);
             $date = $date ?: self::getTimestamp();
             $sth->bindValue(':created_at', $date);
             $sth->bindValue(':updated_at', $date);
diff --git a/structure.sql b/structure.sql
index e4ce0052..b0ec6bf6 100644
--- a/structure.sql
+++ b/structure.sql
@@ -5,6 +5,8 @@ CREATE TABLE IF NOT EXISTS `user` (
   `last_name` CHAR(255) DEFAULT NULL COMMENT 'User''s or bot''s last name',
   `username` CHAR(191) DEFAULT NULL COMMENT 'User''s or bot''s username',
   `language_code` CHAR(10) DEFAULT NULL COMMENT 'IETF language tag of the user''s language',
+  `is_premium` tinyint(1) DEFAULT 0 COMMENT 'True, if this user is a Telegram Premium user',
+  `added_to_attachment_menu` tinyint(1) DEFAULT 0 COMMENT 'True, if this user added the bot to the attachment menu',
   `created_at` timestamp NULL DEFAULT NULL COMMENT 'Entry date creation',
   `updated_at` timestamp NULL DEFAULT NULL COMMENT 'Entry date update',
 
diff --git a/utils/db-schema-update/0.77.1-unreleased.sql b/utils/db-schema-update/0.77.1-unreleased.sql
new file mode 100644
index 00000000..370ee6f7
--- /dev/null
+++ b/utils/db-schema-update/0.77.1-unreleased.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `user` ADD COLUMN `is_premium` tinyint(1) DEFAULT 0 COMMENT 'True, if this user is a Telegram Premium user' AFTER `language_code`;
+ALTER TABLE `user` ADD COLUMN `added_to_attachment_menu` tinyint(1) DEFAULT 0 COMMENT 'True, if this user added the bot to the attachment menu' AFTER `is_premium`;