diff --git a/Doc/Doxygen/Doxyfile b/Doc/Doxygen/Doxyfile
index 2d00a79a9a0efa197652e0f476079ef43bb31f15..97748291ca4ef54917747b803aaccc97705dcbac 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         = 1.16.0
+PROJECT_NUMBER         = 1.16.99
 
 # 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
diff --git a/VERSION.cmake b/VERSION.cmake
index aa80bfa961889b98ae167fa4bee8a1e9f260a09c..9bd7e6c6f26af49ac6486b3419aa9dd94c1e8f7a 100644
--- a/VERSION.cmake
+++ b/VERSION.cmake
@@ -1,3 +1,3 @@
 set(BornAgain_VERSION_MAJOR 1)
 set(BornAgain_VERSION_MINOR 16)
-set(BornAgain_VERSION_PATCH 0)
+set(BornAgain_VERSION_PATCH 99)