diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index 47c5660..96477d6 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -724,6 +724,23 @@ class Client::JsonReactionCount final : public td::Jsonable {
   const td_api::messageReaction *message_reaction_;
 };
 
+class Client::JsonBirthdate final : public td::Jsonable {
+ public:
+  explicit JsonBirthdate(const td_api::birthdate *birthdate) : birthdate_(birthdate) {
+  }
+  void store(td::JsonValueScope *scope) const {
+    auto object = scope->enter_object();
+    object("day", birthdate_->day_);
+    object("month", birthdate_->month_);
+    if (birthdate_->year_ != 0) {
+      object("year", birthdate_->year_);
+    }
+  }
+
+ private:
+  const td_api::birthdate *birthdate_;
+};
+
 class Client::JsonBusinessIntro final : public td::Jsonable {
  public:
   JsonBusinessIntro(const td_api::businessIntro *intro, const Client *client) : intro_(intro), client_(client) {
@@ -948,6 +965,9 @@ class Client::JsonChat final : public td::Jsonable {
               object("business_opening_hours", JsonBusinessOpeningHours(business_info->opening_hours_.get()));
             }
           }
+          if (user_info->birthdate != nullptr) {
+            object("birthdate", JsonBirthdate(user_info->birthdate.get()));
+          }
         }
         photo = user_info->photo.get();
         break;
@@ -6521,6 +6541,7 @@ void Client::on_update(object_ptr<td_api::Object> result) {
       user_info->photo =
           full_info->photo_ == nullptr ? std::move(full_info->public_photo_) : std::move(full_info->photo_);
       user_info->bio = full_info->bio_ != nullptr ? std::move(full_info->bio_->text_) : td::string();
+      user_info->birthdate = std::move(full_info->birthdate_);
       user_info->business_info = std::move(full_info->business_info_);
       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_;
diff --git a/telegram-bot-api/Client.h b/telegram-bot-api/Client.h
index 147629a..9c68403 100644
--- a/telegram-bot-api/Client.h
+++ b/telegram-bot-api/Client.h
@@ -93,6 +93,7 @@ class Client final : public WebhookActor::Callback {
   class JsonUsers;
   class JsonReactionType;
   class JsonReactionCount;
+  class JsonBirthdate;
   class JsonBusinessIntro;
   class JsonBusinessLocation;
   class JsonBusinessOpeningHoursInterval;
@@ -802,6 +803,7 @@ class Client final : public WebhookActor::Callback {
 
     object_ptr<td_api::chatPhoto> photo;
     td::string bio;
+    object_ptr<td_api::birthdate> birthdate;
     object_ptr<td_api::businessInfo> business_info;
 
     bool have_access = false;