diff --git a/DDSegmentation/CMakeLists.txt b/DDSegmentation/CMakeLists.txt
index 447490c72f989229945940178e8cbbb5143ea4ff..df9562631837b93c82bdf2bd715087a86bafd5b0 100644
--- a/DDSegmentation/CMakeLists.txt
+++ b/DDSegmentation/CMakeLists.txt
@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
 project(DDSegmentation)
  #fg: version number must be the same as dd4hep !!
-set(DDSegmentation_VERSION_MAJOR 0)
-set(DDSegmentation_VERSION_MINOR 24)
+set(DDSegmentation_VERSION_MAJOR 1)
+set(DDSegmentation_VERSION_MINOR 0)
 set(DDSegmentation_VERSION_PATCH 0)
 set(DDSegmentation_VERSION "${DDSegmentation_VERSION_MAJOR}.${DDSegmentation_VERSION_MINOR}" )
 set(DDSegmentation_SOVERSION "${DDSegmentation_VERSION_MAJOR}.${DDSegmentation_VERSION_MINOR}")