diff --git a/CMakeLists.txt b/CMakeLists.txt
index c1ba099e3..c4d8c8294 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ project(EDM4HEP)
 # project version
 SET( ${PROJECT_NAME}_VERSION_MAJOR 0 )
 SET( ${PROJECT_NAME}_VERSION_MINOR 3 )
-SET( ${PROJECT_NAME}_VERSION_PATCH 0 )
+SET( ${PROJECT_NAME}_VERSION_PATCH 1 )
 
 SET( ${PROJECT_NAME}_VERSION  "${${PROJECT_NAME}_VERSION_MAJOR}.${${PROJECT_NAME}_VERSION_MINOR}.${${PROJECT_NAME}_VERSION_PATCH}" )