diff --git a/pom.xml b/pom.xml
index 7715d5f..1bc523a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <netty.version>4.1.73.Final</netty.version>
+        <netty.version>4.1.86.Final</netty.version>
         <protobuf.version>2.6.1</protobuf.version>
         <gson.version>2.8.9</gson.version>
         <slf4j.version>1.7.35</slf4j.version>