diff --git a/springboot-netty/pom.xml b/springboot-netty/pom.xml
index 64dd992..c3d69fc 100644
--- a/springboot-netty/pom.xml
+++ b/springboot-netty/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>2.6.1</version>
+            <version>3.16.1</version>
         </dependency>
         <dependency>
             <groupId>org.jboss.marshalling</groupId>