diff --git a/Doxyfile b/Doxyfile
index 5a4bfdfd..1bcdbb1f 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -23,7 +23,7 @@ PROJECT_NAME           = "IgH EtherCAT master"
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = 1.0
+PROJECT_NUMBER         = 1.1
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put.