diff --git a/clientx/pom.xml b/clientx/pom.xml
index d102b24..0532b7f 100644
--- a/clientx/pom.xml
+++ b/clientx/pom.xml
@@ -12,7 +12,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <protobuf.java.version>3.6.1</protobuf.java.version>
+        <protobuf.java.version>3.16.3</protobuf.java.version>
         <spring.version>5.1.3.RELEASE</spring.version>
     </properties>
     <build>