diff --git a/pom.xml b/pom.xml
index 6b96d7a..07e655f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -87,7 +87,7 @@
     <es.version>7.6.2</es.version>
     <es-hadoop.version>7.6.2</es-hadoop.version>
     <slf4j.version>1.7.5</slf4j.version>
-    <netty.version>4.0.30.Final</netty.version>
+    <netty.version>4.1.42.Final</netty.version>
     <log4j.version>2.16.0</log4j.version>
     <logback.version>1.1.7</logback.version>
     <commons.version>3.1</commons.version>