diff --git a/Doc/Doxygen/Doxyfile b/Doc/Doxygen/Doxyfile
index 51170bd0bd9d7eaff74a1ceadca3f35e32e15fde..eb0984eca1b6bfc4ab511bb6e5000c354f35cfc5 100644
--- a/Doc/Doxygen/Doxyfile
+++ b/Doc/Doxygen/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "BornAgain"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 1.7.0
+PROJECT_NUMBER         = 1.7.99
 
 # 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