diff --git a/CHANGELOG.md b/CHANGELOG.md
index a762700..178d5ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 4.2.1
+  - Update Netty dependency to 4.1.137.Final [#239](https://github.com/logstash-plugins/logstash-input-http/pull/239)
+
 ## 4.2.0
   - Implements a functionality to log HTTP traffic, disabled by default. To unable switch on debug logs. [#237](https://github.com/logstash-plugins/logstash-input-http/pull/237)
 
diff --git a/VERSION b/VERSION
index 6aba2b2..fae6e3d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.0
+4.2.1
diff --git a/build.gradle b/build.gradle
index f835bd3..ee3fb97 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ version rootProject.file('VERSION').text.trim()
 description = "HTTP Input Netty implementation"
 
 String log4jVersion = '2.17.0'
-String nettyVersion = '4.1.136.Final'
+String nettyVersion = '4.1.137.Final'
 String junitVersion = '5.9.2'
 
 java {