diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1bde05a..6fdd906 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.5...3.27)
 project (utf8cpp 
-         VERSION 4.0.0
+         VERSION 4.0.1
          LANGUAGES CXX
          DESCRIPTION "C++ portable library for working with utf-8 encoding")