diff --git a/pom.xml b/pom.xml
index d82a6f7..9091fc2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
         <dubbo.registry.nacos>0.0.2</dubbo.registry.nacos>
         <spring-context-support.version>1.0.2</spring-context-support.version>
         <testng.version>6.4</testng.version>
-        <protobuf.version>3.7.1</protobuf.version>
+        <protobuf.version>3.16.3</protobuf.version>
         <spring.version>5.1.3.RELEASE</spring.version>
         <mysql-connector.version>5.1.31</mysql-connector.version>
         <curator.version>4.2.0</curator.version>