diff --git a/lib/paperclip/version.rb b/lib/paperclip/version.rb
index e7254ac77..67b7ed290 100644
--- a/lib/paperclip/version.rb
+++ b/lib/paperclip/version.rb
@@ -1,3 +1,3 @@
 module Paperclip
-  VERSION = "6.3.0" unless defined?(Paperclip::VERSION)
+  VERSION = "6.4.0" unless defined?(Paperclip::VERSION)
 end