diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d48aa3..8e1ccce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 cmake_minimum_required(VERSION 3.16)
 
 project(layershellqt)
-set(PROJECT_VERSION "5.28.80")
+set(PROJECT_VERSION "5.27.80")
 set(PROJECT_VERSION_MAJOR 5)
 
 set(CMAKE_C_STANDARD 99)