diff --git a/dubbo-demo/dubbo-demo-triple/pom.xml b/dubbo-demo/dubbo-demo-triple/pom.xml
index 63979e1494..7ce92ff441 100644
--- a/dubbo-demo/dubbo-demo-triple/pom.xml
+++ b/dubbo-demo/dubbo-demo-triple/pom.xml
@@ -34,7 +34,7 @@
         <skip_maven_deploy>true</skip_maven_deploy>
         <source.level>1.8</source.level>
         <target.level>1.8</target.level>
-        <protobuf-java.version>3.18.3</protobuf-java.version>
+        <protobuf-java.version>3.19.6</protobuf-java.version>
         <maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
     </properties>