diff --git a/pom.xml b/pom.xml
index c437eab..743ec5b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
 		<java.version>1.8</java.version>
 		<druid.version>1.0.31</druid.version>
 		<rxtx.version>1.9.1</rxtx.version>
-		<netty.version>4.0.30.Final</netty.version>
+		<netty.version>4.1.42.Final</netty.version>
 		<shardingjdbc.version>4.0.0-RC1</shardingjdbc.version>
 		<com.google.code.gson.version>2.8.0</com.google.code.gson.version>
 	</properties>