diff --git a/Doxyfile b/Doxyfile
index 91f426347d80a2d65410a13913d0f68bf67821fa..198a95ab3cf248ea613577fe9f7ab9e180380f79 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = Stud.IP
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 4.0
+PROJECT_NUMBER         = 5.4
 
 # 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