diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b5a11d759403d4b53385800e1628988cc84c56d..59ade6801c342c35eabe677b9ea0f109d7a03210 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,8 +34,8 @@ option(CMAKE_MACOSX_RPATH "Build with rpath on macos" ON)
 #  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 #
 # project version
-SET( DD4hep_VERSION_MAJOR 0  )
-SET( DD4hep_VERSION_MINOR 24 )
+SET( DD4hep_VERSION_MAJOR 1  )
+SET( DD4hep_VERSION_MINOR 0 )
 SET( DD4hep_VERSION_PATCH 0  )
 
 dd4hep_set_version(DD4hep