diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c0ab2b..2de68e9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ PROJECT( MarlinTrk )
 # project version
 SET( ${PROJECT_NAME}_VERSION_MAJOR 2 )
 SET( ${PROJECT_NAME}_VERSION_MINOR 9)
-SET( ${PROJECT_NAME}_VERSION_PATCH 0 )
+SET( ${PROJECT_NAME}_VERSION_PATCH 1 )
 
 cmake_policy(SET CMP0008 NEW)