diff --git a/Cargo.toml b/Cargo.toml
index 84e384c..fcc02bf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,11 +1,11 @@
 [package]
 name = "unix_socket"
-version = "0.3.2"
+version = "0.4.0"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 license = "MIT"
 description = "Unix domain socket bindings"
 repository = "https://github.com/sfackler/rust-unix-socket"
-documentation = "https://sfackler.github.io/rust-unix-socket/doc/unix_socket"
+documentation = "https://sfackler.github.io/rust-unix-socket/doc/v0.4.0/unix_socket"
 readme = "README.md"
 keywords = ["posix", "unix", "socket", "domain"]
 
diff --git a/src/lib.rs b/src/lib.rs
index 999ddcc..3758e17 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,6 @@
 //! Support for Unix domain socket clients and servers.
 #![warn(missing_docs)]
-#![doc(html_root_url="https://sfackler.github.io/rust-unix-socket/doc/master")]
+#![doc(html_root_url="https://sfackler.github.io/rust-unix-socket/doc/v0.4.0")]
 
 extern crate debug_builders;
 extern crate libc;