diff --git a/doc/developper/Doxyfile b/doc/developper/Doxyfile
index 12ed654f8..5fd9e2594 100644
--- a/doc/developper/Doxyfile
+++ b/doc/developper/Doxyfile
@@ -31,7 +31,7 @@ PROJECT_NAME           = noalyss
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = Version-6.8.0.0
+PROJECT_NUMBER         = Version-6.9.0.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.