diff --git a/Cargo.toml b/Cargo.toml
index b8d35a6..5f72eea 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "lettre"
-version = "0.4.0"
+version = "0.5.0"
 description = "Email client"
 readme = "README.md"
 documentation = "http://lettre.github.io/lettre/"