diff --git a/lib/fluent/version.rb b/lib/fluent/version.rb
index d272aecc42..22d6512332 100644
--- a/lib/fluent/version.rb
+++ b/lib/fluent/version.rb
@@ -16,6 +16,6 @@
 
 module Fluent
 
-  VERSION = '1.13.3'
+  VERSION = '1.14.0.rc'
 
 end