prepare v0.7.4 release (#1371)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12cc92d..5827f0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+# 0.7.4
+
+## Fixes
+
+* lost "socket closed" events on windows
+  (https://github.com/tokio-rs/mio/commit/50c299aca56c4a26e5ed20c283007239fbe6a7a7)
+
+## Added
+
+* `TcpSocket::set_linger()` configures SO_LINGER
+  (https://github.com/tokio-rs/mio/commit/3b4096565c1a879f651b8f8282ecdcbdbd5c92d3)
+
 # 0.7.3
 
 ## Added
diff --git a/Cargo.toml b/Cargo.toml
index a9cf0e4..ce99d1c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,11 +6,11 @@
 # - Update CHANGELOG.md.
 # - Update doc URL.
 # - Create git tag
-version       = "0.7.3"
+version       = "0.7.4"
 license       = "MIT"
 authors       = ["Carl Lerche <me@carllerche.com>"]
 description   = "Lightweight non-blocking IO"
-documentation = "https://docs.rs/mio/0.7.3"
+documentation = "https://docs.rs/mio/0.7.4"
 homepage      = "https://github.com/tokio-rs/mio"
 repository    = "https://github.com/tokio-rs/mio"
 readme        = "README.md"
diff --git a/src/lib.rs b/src/lib.rs
index d268403..6e98c87 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,4 @@
-#![doc(html_root_url = "https://docs.rs/mio/0.7.3")]
+#![doc(html_root_url = "https://docs.rs/mio/0.7.4")]
 #![deny(
     missing_docs,
     missing_debug_implementations,