diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index 8c93de9..47c5660 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -303,6 +303,7 @@ bool Client::init_methods() {
   methods_.emplace("uploadstickerfile", &Client::process_upload_sticker_file_query);
   methods_.emplace("createnewstickerset", &Client::process_create_new_sticker_set_query);
   methods_.emplace("addstickertoset", &Client::process_add_sticker_to_set_query);
+  methods_.emplace("replacestickerinset", &Client::process_replace_sticker_in_set_query);
   methods_.emplace("setstickersettitle", &Client::process_set_sticker_set_title_query);
   methods_.emplace("setstickersetthumb", &Client::process_set_sticker_set_thumbnail_query);
   methods_.emplace("setstickersetthumbnail", &Client::process_set_sticker_set_thumbnail_query);
@@ -8421,8 +8422,9 @@ td::Result<td::vector<td_api::object_ptr<td_api::inputSticker>>> Client::get_inp
   return std::move(stickers);
 }
 
-td::Result<td_api::object_ptr<td_api::InputFile>> Client::get_sticker_input_file(const Query *query) {
-  auto file_id = trim(query->arg("sticker"));
+td::Result<td_api::object_ptr<td_api::InputFile>> Client::get_sticker_input_file(const Query *query,
+                                                                                 td::Slice field_name) {
+  auto file_id = trim(query->arg(field_name));
   if (file_id.empty()) {
     return td::Status::Error(400, "Sticker is not specified");
   }
@@ -11217,6 +11219,22 @@ td::Status Client::process_add_sticker_to_set_query(PromisedQueryPtr &query) {
   return td::Status::OK();
 }
 
+td::Status Client::process_replace_sticker_in_set_query(PromisedQueryPtr &query) {
+  TRY_RESULT(user_id, get_user_id(query.get()));
+  auto name = query->arg("name");
+  TRY_RESULT(input_file, get_sticker_input_file(query.get(), "old_sticker"));
+  TRY_RESULT(sticker, get_input_sticker(query.get()));
+
+  check_user(user_id, std::move(query),
+             [this, user_id, name, input_file = std::move(input_file),
+              sticker = std::move(sticker)](PromisedQueryPtr query) mutable {
+               send_request(make_object<td_api::replaceStickerInSet>(user_id, name.str(), std::move(input_file),
+                                                                     std::move(sticker)),
+                            td::make_unique<TdOnOkQueryCallback>(std::move(query)));
+             });
+  return td::Status::OK();
+}
+
 td::Status Client::process_set_sticker_set_title_query(PromisedQueryPtr &query) {
   auto name = query->arg("name");
   auto title = query->arg("title");
diff --git a/telegram-bot-api/Client.h b/telegram-bot-api/Client.h
index 9dba4fe..147629a 100644
--- a/telegram-bot-api/Client.h
+++ b/telegram-bot-api/Client.h
@@ -502,7 +502,8 @@ class Client final : public WebhookActor::Callback {
 
   td::Result<td::vector<object_ptr<td_api::inputSticker>>> get_input_stickers(const Query *query) const;
 
-  static td::Result<object_ptr<td_api::InputFile>> get_sticker_input_file(const Query *query);
+  static td::Result<object_ptr<td_api::InputFile>> get_sticker_input_file(const Query *query,
+                                                                          td::Slice field_name = "sticker");
 
   static td::Result<td::string> get_passport_element_hash(td::Slice encoded_hash);
 
@@ -697,6 +698,7 @@ class Client final : public WebhookActor::Callback {
   td::Status process_upload_sticker_file_query(PromisedQueryPtr &query);
   td::Status process_create_new_sticker_set_query(PromisedQueryPtr &query);
   td::Status process_add_sticker_to_set_query(PromisedQueryPtr &query);
+  td::Status process_replace_sticker_in_set_query(PromisedQueryPtr &query);
   td::Status process_set_sticker_set_title_query(PromisedQueryPtr &query);
   td::Status process_set_sticker_set_thumbnail_query(PromisedQueryPtr &query);
   td::Status process_set_custom_emoji_sticker_set_thumbnail_query(PromisedQueryPtr &query);