diff --git a/doc/musrfit_dox.cfg b/doc/musrfit_dox.cfg
index 28efc5230..53fb4cd83 100644
--- a/doc/musrfit_dox.cfg
+++ b/doc/musrfit_dox.cfg
@@ -38,7 +38,7 @@ PROJECT_NAME           = musrfit
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.9.9
+PROJECT_NUMBER         = 1.9.10
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a