diff --git a/lib/rdoc/version.rb b/lib/rdoc/version.rb
index a3ef62d6be..86c5b360fd 100644
--- a/lib/rdoc/version.rb
+++ b/lib/rdoc/version.rb
@@ -3,6 +3,6 @@ module RDoc
   ##
   # RDoc version you are using
 
-  VERSION = '6.3.2'
+  VERSION = '6.4.0'
 
 end