diff --git a/lib/active_groonga/version.rb b/lib/active_groonga/version.rb
index a4cc162..7d47f69 100644
--- a/lib/active_groonga/version.rb
+++ b/lib/active_groonga/version.rb
@@ -1,4 +1,4 @@
-# Copyright (C) 2009-2013  Kouhei Sutou <kou@clear-code.com>
+# Copyright (C) 2009-2014  Kouhei Sutou <kou@clear-code.com>
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
@@ -16,8 +16,8 @@
 module ActiveGroonga
   module VERSION
     MAJOR = 4
-    MINOR = 0
-    TINY  = 1
+    MINOR = 2
+    TINY  = 0
 
     STRING = [MAJOR, MINOR, TINY].join(".")
   end