diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index 423eaf9..7cdd107 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -3576,6 +3576,26 @@ class Client::JsonMessageReactionCountUpdated final : public td::Jsonable {
   const Client *client_;
 };
 
+class Client::JsonBusinessConnection final : public td::Jsonable {
+ public:
+  JsonBusinessConnection(const td_api::businessConnection *connection, const Client *client)
+      : connection_(connection), client_(client) {
+  }
+  void store(td::JsonValueScope *scope) const {
+    auto object = scope->enter_object();
+    object("id", connection_->id_);
+    object("user", JsonUser(connection_->user_id_, client_));
+    object("user_chat_id", connection_->user_chat_id_);
+    object("date", connection_->date_);
+    object("can_reply", td::JsonBool(connection_->can_reply_));
+    object("is_enabled", td::JsonBool(connection_->is_enabled_));
+  }
+
+ private:
+  const td_api::businessConnection *connection_;
+  const Client *client_;
+};
+
 class Client::JsonUpdateTypes final : public td::Jsonable {
  public:
   explicit JsonUpdateTypes(td::uint32 update_types) : update_types_(update_types) {
@@ -6330,6 +6350,9 @@ void Client::on_update(object_ptr<td_api::Object> result) {
     case td_api::updateMessageReactions::ID:
       add_update_message_reaction_count(move_object_as<td_api::updateMessageReactions>(result));
       break;
+    case td_api::updateBusinessConnection::ID:
+      add_update_business_connection(move_object_as<td_api::updateBusinessConnection>(result));
+      break;
     case td_api::updateConnectionState::ID: {
       auto update = move_object_as<td_api::updateConnectionState>(result);
       if (update->state_->get_id() == td_api::connectionStateReady::ID) {
@@ -11967,6 +11990,8 @@ td::Slice Client::get_update_type_name(UpdateType update_type) {
       return td::Slice("message_reaction");
     case UpdateType::MessageReactionCount:
       return td::Slice("message_reaction_count");
+    case UpdateType::BusinessConnection:
+      return td::Slice("business_connection");
     default:
       UNREACHABLE();
       return td::Slice();
@@ -12317,6 +12342,20 @@ void Client::add_update_message_reaction_count(object_ptr<td_api::updateMessageR
   }
 }
 
+void Client::add_update_business_connection(object_ptr<td_api::updateBusinessConnection> &&update) {
+  CHECK(update != nullptr);
+  auto connection = std::move(update->connection_);
+  auto left_time = connection->date_ + 86400 - get_unix_time();
+  if (left_time > 0) {
+    auto webhook_queue_id = connection->user_id_ + (static_cast<int64>(10) << 33);
+    add_update(UpdateType::BusinessConnection, JsonBusinessConnection(connection.get(), this), left_time,
+               webhook_queue_id);
+  } else {
+    LOG(DEBUG) << "Skip updateBusinessConnection with date " << connection->date_ << ", because current date is "
+               << get_unix_time();
+  }
+}
+
 td::int64 Client::choose_added_member_id(const td_api::messageChatAddMembers *message_add_members) const {
   CHECK(message_add_members != nullptr);
   for (auto &member_user_id : message_add_members->member_user_ids_) {
diff --git a/telegram-bot-api/Client.h b/telegram-bot-api/Client.h
index 4c49c77..0f2a1c6 100644
--- a/telegram-bot-api/Client.h
+++ b/telegram-bot-api/Client.h
@@ -163,6 +163,7 @@ class Client final : public WebhookActor::Callback {
   class JsonGameHighScore;
   class JsonMessageReactionUpdated;
   class JsonMessageReactionCountUpdated;
+  class JsonBusinessConnection;
   class JsonAddress;
   class JsonOrderInfo;
   class JsonStory;
@@ -1017,6 +1018,8 @@ class Client final : public WebhookActor::Callback {
 
   void add_update_message_reaction_count(object_ptr<td_api::updateMessageReactions> &&update);
 
+  void add_update_business_connection(object_ptr<td_api::updateBusinessConnection> &&update);
+
   // append only before Size
   enum class UpdateType : int32 {
     Message,
@@ -1039,6 +1042,7 @@ class Client final : public WebhookActor::Callback {
     ChatBoostRemoved,
     MessageReaction,
     MessageReactionCount,
+    BusinessConnection,
     Size
   };