diff --git a/CHANGELOG.md b/CHANGELOG.md
index f67b02cf..e3e8b5a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog], and this project adheres to
 ## Overview
 
 * [unreleased](#unreleased)
+* [`0.4.2`](#042) - _2023.06.25_
 * [`0.4.1-alpha.2`](#041a2) - _2023.03.26_
 * [`0.4.1-alpha.1`](#041a1) - _2023.01.15_
 * [`0.4.0`](#041) - _2023.01.15_
@@ -33,6 +34,18 @@ The format is based on [Keep a Changelog], and this project adheres to
 
 _nothing new to show for… yet!_
 
+ <a name="042">[0.4.2] - _Stabilizing the async interface!_ </a>
+
+_2023.06.25_
+
+- Fix "Error while parsing an incomplete packet socketio" on first heartbeat killing the connection async client
+([#311](https://github.com/1c3t3a/rust-socketio/issues/311)). Credits to [@sirkrypt0](https://github.com/sirkrypt0)
+- Fix allow awaiting async callbacks ([#313](https://github.com/1c3t3a/rust-socketio/issues/313)). Credits to [@felix-gohla](https://github.com/felix-gohla)
+- Various performance improvements especially in packet parsing. Credits to [@MaxOhn](https://github.com/MaxOhn)
+- API for setting the reconnect URL on a connected client ([#251](https://github.com/1c3t3a/rust-socketio/issues/251)).
+Credits to [@tyilo](https://github.com/tyilo)
+
+
  <a name="041a2">[0.4.0-alpha.2] - _Async socket.io fixes_ </a>
 
 _2023.03.26_
diff --git a/Cargo.lock b/Cargo.lock
index d915f8b0..f895f462 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1535,7 +1535,7 @@ dependencies = [
 
 [[package]]
 name = "rust_engineio"
-version = "0.4.1-alpha.1"
+version = "0.4.2"
 dependencies = [
  "adler32",
  "async-stream",
@@ -1559,7 +1559,7 @@ dependencies = [
 
 [[package]]
 name = "rust_socketio"
-version = "0.4.1-alpha.2"
+version = "0.4.2"
 dependencies = [
  "adler32",
  "async-stream",
diff --git a/README.md b/README.md
index 15f0589f..b0ee1959 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Information on the [`async`](#async) version can be found below.
 Add the following to your `Cargo.toml` file:
 
 ```toml
-rust_socketio = "0.4.1"
+rust_socketio = "0.4.2"
 ```
 
 Then you're able to run the following example code:
@@ -98,7 +98,7 @@ The async `Client` and `ClientBuilder` support a similar interface to the sync v
 in the `asynchronous` module. In order to enable the support, you need to enable the `async`
 feature flag:
 ```toml
-rust_socketio = { version = "0.4.1-alpha.1", features = ["async"] }
+rust_socketio = { version = "0.4.2", features = ["async"] }
 ```
 
 The following code shows the example above in async fashion:
diff --git a/engineio/Cargo.toml b/engineio/Cargo.toml
index 0678bb82..9096547c 100644
--- a/engineio/Cargo.toml
+++ b/engineio/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rust_engineio"
-version = "0.4.1-alpha.1"
+version = "0.4.2"
 authors = ["Bastian Kersting <bastian@cmbt.de>"]
 edition = "2021"
 description = "An implementation of a engineio client written in rust."
diff --git a/socketio/Cargo.toml b/socketio/Cargo.toml
index 9896901f..ef5c03ce 100644
--- a/socketio/Cargo.toml
+++ b/socketio/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rust_socketio"
-version = "0.4.1-alpha.2"
+version = "0.4.2"
 authors = ["Bastian Kersting <bastian@cmbt.de>"]
 edition = "2021"
 description = "An implementation of a socketio client written in rust."
@@ -11,7 +11,7 @@ categories = ["network-programming", "web-programming", "web-programming::websoc
 license = "MIT"
 
 [dependencies]
-rust_engineio = { version = "0.4.1-alpha.1", path = "../engineio" }
+rust_engineio = { version = "0.4.2", path = "../engineio" }
 base64 = "0.21.0"
 bytes = "1"
 backoff = "0.4"