diff --git a/cmt/project.cmt b/cmt/project.cmt
index f31d0db8fa620832341fc63a7b5c57f29f82a9f5..9c5b385b88cdff4ebcce829aa29b329921433b65 100755
--- a/cmt/project.cmt
+++ b/cmt/project.cmt
@@ -1,6 +1,6 @@
 project GEANT4
 
-use GAUDI	GAUDI_v23r8
+use GAUDI	GAUDI_v23r9
 
 build_strategy	with_installarea
 setup_strategy	root