diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f5b688..ba7110c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
 
-project(TelegramBotApi VERSION 8.3 LANGUAGES CXX)
+project(TelegramBotApi VERSION 9.0 LANGUAGES CXX)
 
 add_subdirectory(td EXCLUDE_FROM_ALL)
 
diff --git a/telegram-bot-api/telegram-bot-api.cpp b/telegram-bot-api/telegram-bot-api.cpp
index 2fc46ac..7968660 100644
--- a/telegram-bot-api/telegram-bot-api.cpp
+++ b/telegram-bot-api/telegram-bot-api.cpp
@@ -165,7 +165,7 @@ int main(int argc, char *argv[]) {
   auto start_time = td::Time::now();
   auto shared_data = std::make_shared<SharedData>();
   auto parameters = std::make_unique<ClientParameters>();
-  parameters->version_ = "8.3";
+  parameters->version_ = "9.0";
   parameters->shared_data_ = shared_data;
   parameters->start_time_ = start_time;
   auto net_query_stats = td::create_net_query_stats();