diff --git a/CMakeLists.txt b/CMakeLists.txt
index 82814202dc49f099020afa4af3c9d14a99d3694f..53d782fd557b361e3a650007fc594863d4ec09fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required (VERSION 3.1)
-project (OPAL VERSION 2.3.0)
+project (OPAL VERSION 2.4.0)
 set (PROJECT_BUGREPORT opal@lists.psi.ch)
 
 string (REGEX REPLACE "\\.([0-9])\\." ".0\\1." PACKAGE_VERSION ${PROJECT_VERSION})
@@ -271,4 +271,4 @@ install (
 # cmake-tab-width: 4
 # indent-tabs-mode: nil
 # require-final-newline: nil
-# End:
\ No newline at end of file
+# End:
diff --git a/Doxyfile b/Doxyfile
index 2687cc5b4a69ed2723e3c1df73e783b337228bc0..0049a3b1563aa0094731852a91955454486f58d2 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "OPAL (Object Oriented Parallel Accelerator Library)"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "2.0.0"
+PROJECT_NUMBER         = "2.4.0"
 
 # 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
@@ -2328,4 +2328,4 @@ GENERATE_LEGEND        = YES
 # The default value is: YES.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-DOT_CLEANUP            = YES
\ No newline at end of file
+DOT_CLEANUP            = YES