diff --git a/pom.xml b/pom.xml
index b7d01a85c..bac2896c6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spotless.check.skip>true</spotless.check.skip>
         <slf4j.version>1.7.36</slf4j.version>
-        <netty4.version>4.2.0.Final</netty4.version>
+        <netty4.version>4.2.1.Final</netty4.version>
         <netty4.iouring.version>0.0.26.Final</netty4.iouring.version>
         <micrometer.version>1.14.6</micrometer.version>
         <gson.version>2.13.1</gson.version>