diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index 47b1c43..25396d7 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -643,6 +643,37 @@ class Client::JsonBusinessLocation final : public td::Jsonable {
   const td_api::businessLocation *business_location_;
 };
 
+class Client::JsonBusinessOpeningHoursInterval final : public td::Jsonable {
+ public:
+  JsonBusinessOpeningHoursInterval(const td_api::businessOpeningHoursInterval *opening_hours_interval)
+      : opening_hours_interval_(opening_hours_interval) {
+  }
+  void store(td::JsonValueScope *scope) const {
+    auto object = scope->enter_object();
+    object("opening_minute", opening_hours_interval_->start_minute_);
+    object("closing_minute", opening_hours_interval_->end_minute_);
+  }
+
+ private:
+  const td_api::businessOpeningHoursInterval *opening_hours_interval_;
+};
+
+class Client::JsonBusinessOpeningHours final : public td::Jsonable {
+ public:
+  JsonBusinessOpeningHours(const td_api::businessOpeningHours *opening_hours) : opening_hours_(opening_hours) {
+  }
+  void store(td::JsonValueScope *scope) const {
+    auto object = scope->enter_object();
+    object("opening_hours", td::json_array(opening_hours_->opening_hours_, [](const auto &opening_hours_interval) {
+             return JsonBusinessOpeningHoursInterval(opening_hours_interval.get());
+           }));
+    object("time_zone_name", opening_hours_->time_zone_id_);
+  }
+
+ private:
+  const td_api::businessOpeningHours *opening_hours_;
+};
+
 class Client::JsonChatPermissions final : public td::Jsonable {
  public:
   explicit JsonChatPermissions(const td_api::chatPermissions *chat_permissions) : chat_permissions_(chat_permissions) {
@@ -788,6 +819,9 @@ class Client::JsonChat final : public td::Jsonable {
           if (user_info->business_location != nullptr) {
             object("business_location", JsonBusinessLocation(user_info->business_location.get()));
           }
+          if (user_info->business_opening_hours != nullptr) {
+            object("business_opening_hours", JsonBusinessOpeningHours(user_info->business_opening_hours.get()));
+          }
         }
         photo = user_info->photo.get();
         break;
@@ -6363,6 +6397,10 @@ void Client::on_update(object_ptr<td_api::Object> result) {
           full_info->business_info_ != nullptr && full_info->business_info_->location_ != nullptr
               ? std::move(full_info->business_info_->location_)
               : nullptr;
+      user_info->business_opening_hours =
+          full_info->business_info_ != nullptr && full_info->business_info_->opening_hours_ != nullptr
+              ? std::move(full_info->business_info_->opening_hours_)
+              : nullptr;
       user_info->has_private_forwards = full_info->has_private_forwards_;
       user_info->has_restricted_voice_and_video_messages = full_info->has_restricted_voice_and_video_note_messages_;
       break;
diff --git a/telegram-bot-api/Client.h b/telegram-bot-api/Client.h
index 619f006..8f1e259 100644
--- a/telegram-bot-api/Client.h
+++ b/telegram-bot-api/Client.h
@@ -94,6 +94,8 @@ class Client final : public WebhookActor::Callback {
   class JsonReactionType;
   class JsonReactionCount;
   class JsonBusinessLocation;
+  class JsonBusinessOpeningHoursInterval;
+  class JsonBusinessOpeningHours;
   class JsonChatPermissions;
   class JsonChatPhotoInfo;
   class JsonChatLocation;
@@ -795,6 +797,7 @@ class Client final : public WebhookActor::Callback {
     object_ptr<td_api::chatPhoto> photo;
     td::string bio;
     object_ptr<td_api::businessLocation> business_location;
+    object_ptr<td_api::businessOpeningHours> business_opening_hours;
 
     bool have_access = false;
     bool can_join_groups = false;