diff --git a/netty/pom.xml b/netty/pom.xml
index 0cd45336..14a3f923 100644
--- a/netty/pom.xml
+++ b/netty/pom.xml
@@ -16,7 +16,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.10.0</version>
+            <version>3.16.3</version>
         </dependency>
         <!--netty-->
         <!--io.netty.buffer.PooledByteBufAllocator.defaultNumHeapArena()I-->