chore(release): 4.0.21 [skip ci]

## [4.0.21](v4.0.20...v4.0.21) (2025-07-06)

### Bug Fixes

* **deps:** update dependency ffi-rs to v1.2.13 ([#377](#377)) ([1b6b6ec](1b6b6ec))

Author: semantic-release-bot

CHANGELOG.md

@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html), enforced with [semantic-release](https://github.com/semantic-release/semantic-release).
 
+## [4.0.21](https://github.com/hertzg/node-net-keepalive/compare/v4.0.20...v4.0.21) (2025-07-06)
+
+### Bug Fixes
+
+- **deps:** update dependency ffi-rs to v1.2.13 ([#377](https://github.com/hertzg/node-net-keepalive/issues/377)) ([1b6b6ec](https://github.com/hertzg/node-net-keepalive/commit/1b6b6ec52d31ff2a4cc928660ce71002a0a6c8a8))
+
+# Changelog
+
+All notable changes to this project will be documented in this file.
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html), enforced with [semantic-release](https://github.com/semantic-release/semantic-release).
+
 ## [4.0.20](https://github.com/hertzg/node-net-keepalive/compare/v4.0.19...v4.0.20) (2025-06-08)
 
 ### Bug Fixes

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "net-keepalive",
-  "version": "4.0.20",
+  "version": "4.0.21",
   "description": "Provides high-level access to socket options like TCP_KEEPIDLE, TCP_KEEPINTVL, TCP_KEEPCNT",
   "main": "index.js",
   "scripts": {