diff --git a/CMakeLists.txt b/CMakeLists.txt
index f3eed02..56b275e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
 
-project(TelegramBotApi VERSION 5.0.1 LANGUAGES CXX)
+project(TelegramBotApi VERSION 5.1 LANGUAGES CXX)
 
 add_subdirectory(td EXCLUDE_FROM_ALL)
 
diff --git a/telegram-bot-api/Client.cpp b/telegram-bot-api/Client.cpp
index fa0a95c..992ff67 100644
--- a/telegram-bot-api/Client.cpp
+++ b/telegram-bot-api/Client.cpp
@@ -3998,7 +3998,7 @@ void Client::on_update_authorization_state() {
       parameters->api_hash_ = parameters_->api_hash_;
       parameters->system_language_code_ = "en";
       parameters->device_model_ = "server";
-      parameters->application_version_ = "5.0.1";
+      parameters->application_version_ = "5.1";
       parameters->enable_storage_optimizer_ = true;
       parameters->ignore_file_names_ = true;