diff --git a/lib/redmine/version.rb b/lib/redmine/version.rb
index b05fe9c69..4d8c3b25e 100644
--- a/lib/redmine/version.rb
+++ b/lib/redmine/version.rb
@@ -3,8 +3,8 @@ require 'rexml/document'
 module Redmine
   module VERSION #:nodoc:
     MAJOR = 2
-    MINOR = 3
-    TINY  = 3
+    MINOR = 4
+    TINY  = 0
 
     # Branch values:
     # * official release: nil