diff --git a/CHANGELOG.md b/CHANGELOG.md
index a923861..d97d680 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.5.9 (2018-04-10)
+
+*   Feature: Support legacy HTTP servers that use only `LF` instead of `CRLF`.
+    (#130 by @clue)
+
+*   Improve test suite by applying maximum test timeouts for integration tests.
+    (#131 by @clue)
+
 ## 0.5.8 (2018-02-09)
 
 *   Support legacy PHP 5.3 through PHP 7.2 and HHVM
diff --git a/README.md b/README.md
index 6ae1f97..a8926c0 100644
--- a/README.md
+++ b/README.md
@@ -164,7 +164,7 @@ The recommended way to install this library is [through Composer](https://getcom
 This will install the latest supported version:
 
 ```bash
-$ composer require react/http-client:^0.5.8
+$ composer require react/http-client:^0.5.9
 ```
 
 See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.