diff --git a/CHANGELOG.md b/CHANGELOG.md
index 539f367..8f20742 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+# 1.3.0 (2020-12-17)
+
+*   Feature: Update to reactphp/http v1.0.0.
+    (#64 by @clue)
+
+*   Improve test suite and add `.gitattributes` to exclude dev files from exports.
+    Add PHP 8 support, update to PHPUnit 9 and simplify test setup.
+    (#62, #65, #66 and #67 by @SimonFrings)
+
 ## 1.2.0 (2020-03-31)
 
 *   Feature: Add `containerAttach()` and `containerAttachStream()` API methods.
diff --git a/README.md b/README.md
index 4fb90f0..6264034 100644
--- a/README.md
+++ b/README.md
@@ -23,23 +23,34 @@ its event-driven model to react to changes and events happening.
   and does not get in your way.
   This library is merely a very thin wrapper around the [Docker Engine API](https://docs.docker.com/develop/sdk/).
 * **Good test coverage** -
-  Comes with an automated tests suite and is regularly tested in the *real world*
+  Comes with an automated tests suite and is regularly tested in the *real world*.
 
 **Table of contents**
 
+* [Support us](#support-us)
 * [Quickstart example](#quickstart-example)
 * [Usage](#usage)
-  * [Client](#client)
-    * [Commands](#commands)
-    * [Promises](#promises)
-    * [Blocking](#blocking)
-    * [Command streaming](#command-streaming)
-    * [TAR streaming](#tar-streaming)
-    * [JSON streaming](#json-streaming)
+    * [Client](#client)
+        * [Commands](#commands)
+        * [Promises](#promises)
+        * [Blocking](#blocking)
+        * [Command streaming](#command-streaming)
+        * [TAR streaming](#tar-streaming)
+        * [JSON streaming](#json-streaming)
 * [Install](#install)
 * [Tests](#tests)
 * [License](#license)
 
+## Support us
+
+We invest a lot of time developing, maintaining and updating our awesome
+open-source projects. You can help us sustain this high-quality of our work by
+[becoming a sponsor on GitHub](https://github.com/sponsors/clue). Sponsors get
+numerous benefits in return, see our [sponsoring page](https://github.com/sponsors/clue)
+for details.
+
+Let's take these projects to the next level together! 🚀
+
 ## Quickstart example
 
 Once [installed](#install), you can use the following code to access the
@@ -354,16 +365,18 @@ See also the [pull example](examples/pull.php) and the [push example](examples/p
 
 ## Install
 
-The recommended way to install this library is [through Composer](https://getcomposer.org).
-[New to composer?](https://getcomposer.org/doc/00-intro.md)
+The recommended way to install this library is [through Composer](https://getcomposer.org/).
+[New to Composer?](https://getcomposer.org/doc/00-intro.md)
 
 This project follows [SemVer](https://semver.org/).
 This will install the latest supported version:
 
 ```bash
-$ composer require clue/docker-react:^1.2
+$ composer require clue/docker-react:^1.3
 ```
 
+See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.
+
 This project aims to run on any platform and thus does not require any PHP
 extensions and supports running on legacy PHP 5.3 through current PHP 8+.
 It's *highly recommended to use PHP 7+* for this project.
@@ -371,7 +384,7 @@ It's *highly recommended to use PHP 7+* for this project.
 ## Tests
 
 To run the test suite, you first need to clone this repo and then install all
-dependencies [through Composer](https://getcomposer.org):
+dependencies [through Composer](https://getcomposer.org/):
 
 ```bash
 $ composer install