diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4599b856..6c4f9848 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,8 +28,8 @@ option(USE_EXTERNAL_CATCH2 "If off, build the catch2 unittest framework locally"
 
 # project version
 SET( ${PROJECT_NAME}_VERSION_MAJOR 0 )
-SET( ${PROJECT_NAME}_VERSION_MINOR 3 )
-SET( ${PROJECT_NAME}_VERSION_PATCH 1 )
+SET( ${PROJECT_NAME}_VERSION_MINOR 4 )
+SET( ${PROJECT_NAME}_VERSION_PATCH 0 )
 
 SET( ${PROJECT_NAME}_VERSION  "${${PROJECT_NAME}_VERSION_MAJOR}.${${PROJECT_NAME}_VERSION_MINOR}.${${PROJECT_NAME}_VERSION_PATCH}" )