diff --git a/druid-grpc/pom.xml b/druid-grpc/pom.xml
index b33e82e..61416a5 100644
--- a/druid-grpc/pom.xml
+++ b/druid-grpc/pom.xml
@@ -44,7 +44,7 @@
     <grpc.version>1.26.0</grpc.version>
     <protoc.version>3.5.1</protoc.version>
     <rowbatch.version>0.20.0-SNAPSHOT</rowbatch.version>
-    <netty4.version>4.1.48.Final</netty4.version> <!-- from druid-0.20.0.pom -->
+    <netty4.version>4.1.61.Final</netty4.version> <!-- from druid-0.20.0.pom -->
     <maven.compiler.plugin.version>3.1</maven.compiler.plugin.version>
     <maven.shade.plugin.version>3.2.1</maven.shade.plugin.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>