diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00d69725..86220a11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 0.4.0 (November 15, 2023)
+
+* Update to `http` 1.0.
+* Remove deprecated `Server::poll_close()`.
+
 # 0.3.22 (November 15, 2023)
 
 * Add `header_table_size(usize)` option to client and server builders.
diff --git a/Cargo.toml b/Cargo.toml
index b8d4c027..11c6df0b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ name = "h2"
 #   - html_root_url.
 # - Update CHANGELOG.md.
 # - Create git tag
-version = "0.4.0-dev"
+version = "0.4.0"
 license = "MIT"
 authors = [
   "Carl Lerche <me@carllerche.com>",
diff --git a/README.md b/README.md
index 2e159991..f83357d5 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ To use `h2`, first add this to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-h2 = "0.3"
+h2 = "0.4"
 ```
 
 Next, add this to your crate:
diff --git a/src/lib.rs b/src/lib.rs
index a1fde6eb..fd7782f8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,7 +11,7 @@
 //!
 //! ```toml
 //! [dependencies]
-//! h2 = "0.3"
+//! h2 = "0.4"
 //! ```
 //!
 //! # Layout
@@ -78,7 +78,6 @@
 //! [`server::handshake`]: server/fn.handshake.html
 //! [`client::handshake`]: client/fn.handshake.html
 
-#![doc(html_root_url = "https://docs.rs/h2/0.3.22")]
 #![deny(
     missing_debug_implementations,
     missing_docs,