diff --git a/changelog.md b/changelog.md
index c49cc0b..8dade6d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## 2025-07-29 - 4.2.1 - fix(client)
+Fix socket hanging issues and add auto-drain feature
+
+**Fixes:**
+- Fixed socket hanging issues caused by unconsumed response bodies
+- Resolved test timeout problems where sockets remained open after tests completed
+
+**Features:**
+- Added automatic response body draining to prevent socket pool exhaustion
+- Made auto-drain configurable via `autoDrain()` method (enabled by default)
+- Added logging when auto-drain activates for debugging purposes
+
+**Improvements:**
+- Updated all tests to properly consume response bodies
+- Enhanced documentation about the importance of consuming response bodies
+
 ## 2025-07-29 - 4.2.0 - feat(client)
 Add handle429Backoff method for intelligent rate limit handling
 
diff --git a/package.json b/package.json
index 43337ff..a7ae46c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@push.rocks/smartrequest",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "private": false,
   "description": "A module for modern HTTP/HTTPS requests with support for form data, file uploads, JSON, binary data, streams, and more.",
   "exports": {