diff --git a/java/JavaClient/pom.xml b/java/JavaClient/pom.xml
index ebc5a63..3cb519b 100644
--- a/java/JavaClient/pom.xml
+++ b/java/JavaClient/pom.xml
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.11.4</version>
+            <version>3.16.1</version>
         </dependency>
         <!-- gRPC protobuf tfServingClient -->
         <dependency>