diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff47266..270cad3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.5.6 (2017-09-17)
+
+*   Feature: Update Socket component to support HTTP over Unix domain sockets (UDS)
+    (#110 by @clue)
+
 ## 0.5.5 (2017-09-10)
 
 *   Fix: Update Socket component to work around sending secure HTTPS requests with PHP < 7.1.4
diff --git a/README.md b/README.md
index 051ba0d..c6e18d8 100644
--- a/README.md
+++ b/README.md
@@ -133,7 +133,7 @@ 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:^0.5.5
+$ composer require react/http-client:^0.5.6
 ```
 
 See also the [CHANGELOG](CHANGELOG.md) for details about version upgrades.