diff --git a/examples/protobuf/java5/sub/pom.xml b/examples/protobuf/java5/sub/pom.xml
index 1bb3f26fe..cf8092644 100644
--- a/examples/protobuf/java5/sub/pom.xml
+++ b/examples/protobuf/java5/sub/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>2.6.1</version>
+            <version>3.16.1</version>
         </dependency>
     </dependencies>
     <parent>