diff --git a/CHANGELOG.md b/CHANGELOG.md
index e461fe9..f101f3c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 6.4.8
+  - Upgrade netty to 4.1.129 [#240](https://github.com/logstash-plugins/logstash-input-tcp/pull/240)
+
 ## 6.4.7
   - Upgrade netty to 4.1.126 [#236](https://github.com/logstash-plugins/logstash-input-tcp/pull/236)
 
diff --git a/build.gradle b/build.gradle
index 20c72c0..ca8034a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,7 +46,7 @@ java {
   sourceCompatibility = JavaVersion.VERSION_1_8
 }
 
-String nettyVersion = '4.1.126.Final'
+String nettyVersion = '4.1.129.Final'
 String junitVersion = '5.11.2'
 
 
diff --git a/version b/version
index 3c43d71..4b20d97 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-6.4.7
+6.4.8