diff --git a/Cargo.toml b/Cargo.toml
index d9b5aa7..016ef7e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "imap"
-version = "0.3.3"
+version = "0.4.0"
 authors = ["Matt McCoy <mattnenterprise@yahoo.com>"]
 documentation = "http://mattnenterprise.github.io/rust-imap"
 repository = "https://github.com/mattnenterprise/rust-imap"