diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02546938..52a8bccf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 6.9.4
+  - Upgrade netty to 4.1.126 [#518](https://github.com/logstash-plugins/logstash-input-beats/pull/518)
+
 ## 6.9.3
   - Upgrade netty to 4.1.118 [#514](https://github.com/logstash-plugins/logstash-input-beats/pull/514)
 
diff --git a/VERSION b/VERSION
index 5f54f91e..c250d84b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-6.9.3
+6.9.4
diff --git a/build.gradle b/build.gradle
index c57a47ef..9e23a2d8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ java {
 
 String jacksonVersion = '2.15.3'
 String jacksonDatabindVersion = '2.15.3'
-String nettyVersion = '4.1.118.Final'
+String nettyVersion = '4.1.126.Final'
 
 repositories {
     mavenCentral()