diff --git a/CMakeLists.txt b/CMakeLists.txt
index dac2570..d49f1c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.5)
 
 set (CMAKE_CXX_STANDARD 17)
 
-project (logfilegen VERSION 0.3.0 LANGUAGES CXX)
+project (logfilegen VERSION 0.4.0 LANGUAGES CXX)
 add_definitions(-DVERSION_NUMBER="\\"${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}\\"")
 
 
diff --git a/main.cpp b/main.cpp
index 3633f91..b798440 100644
--- a/main.cpp
+++ b/main.cpp
@@ -23,7 +23,7 @@
 
 
 #ifndef VERSION_NUMBER
-#define VERSION_NUMBER "0.3.0"
+#define VERSION_NUMBER "0.4.0"
 #endif