diff --git a/doxyfile b/doxyfile
index b057fd6..a8daf9f 100644
--- a/doxyfile
+++ b/doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "Astaroth"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2.2
+PROJECT_NUMBER         = 2.3
 
 # 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