diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4029f8cc..2db0523a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,7 +25,7 @@
 cmake_minimum_required(VERSION 3.20)
 
 project(FramelessHelper
-    VERSION 2.4.0.0
+    VERSION 2.3.4.0
     DESCRIPTION "Cross-platform window customization framework for Qt Widgets and Qt Quick."
     HOMEPAGE_URL "https://github.com/wangwenx190/framelesshelper/"
     LANGUAGES CXX
diff --git a/qmake/inc/core/framelesshelper.version b/qmake/inc/core/framelesshelper.version
index efe966e6..005e900a 100644
--- a/qmake/inc/core/framelesshelper.version
+++ b/qmake/inc/core/framelesshelper.version
@@ -34,10 +34,10 @@
 #pragma once
 
 [[maybe_unused]] inline constexpr const int FRAMELESSHELPER_VERSION_MAJOR = 2;
-[[maybe_unused]] inline constexpr const int FRAMELESSHELPER_VERSION_MINOR = 4;
-[[maybe_unused]] inline constexpr const int FRAMELESSHELPER_VERSION_PATCH = 0;
+[[maybe_unused]] inline constexpr const int FRAMELESSHELPER_VERSION_MINOR = 3;
+[[maybe_unused]] inline constexpr const int FRAMELESSHELPER_VERSION_PATCH = 4;
 [[maybe_unused]] inline constexpr const int FRAMELESSHELPER_VERSION_TWEAK = 0;
-[[maybe_unused]] inline constexpr const char FRAMELESSHELPER_VERSION_STR[] = "2.4.0.0\0";
+[[maybe_unused]] inline constexpr const char FRAMELESSHELPER_VERSION_STR[] = "2.3.4.0\0";
 [[maybe_unused]] inline constexpr const char FRAMELESSHELPER_COMMIT_STR[] = "UNKNOWN\0";
 [[maybe_unused]] inline constexpr const char FRAMELESSHELPER_COMPILE_DATETIME_STR[] = "UNKNOWN\0";