diff --git a/lib/mail_catcher/version.rb b/lib/mail_catcher/version.rb
index eb785c3..2239d01 100644
--- a/lib/mail_catcher/version.rb
+++ b/lib/mail_catcher/version.rb
@@ -1,3 +1,3 @@
 module MailCatcher
-  VERSION = "0.6.3"
+  VERSION = "0.6.4"
 end