diff --git a/CMakeLists.txt b/CMakeLists.txt
index 920753d..b8372d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@
 
 cmake_minimum_required(VERSION 3.0.0)
 
-project(aixlog VERSION 1.4.0 LANGUAGES CXX)
+project(aixlog VERSION 1.5.0 LANGUAGES CXX)
 set(PROJECT_DESCRIPTION "Header-only C++ logging library")
 set(PROJECT_URL "https://github.com/badaix/aixlog")
 
diff --git a/include/aixlog.hpp b/include/aixlog.hpp
index 98d0fb1..4066822 100644
--- a/include/aixlog.hpp
+++ b/include/aixlog.hpp
@@ -3,7 +3,7 @@
      / _\ (  )( \/ )(  )   /  \  / __)
     /    \ )(  )  ( / (_/\(  O )( (_ \
     \_/\_/(__)(_/\_)\____/ \__/  \___/
-    version 1.4.0
+    version 1.5.0
     https://github.com/badaix/aixlog
 
     This file is part of aixlog