diff --git a/pom.xml b/pom.xml
index 2937b6b..716119e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
 		<exec.mainClass>
 			com.github.megachucky.kafka.streams.machinelearning.Kafka_Streams_TensorFlow_Serving_gRPC_Example</exec.mainClass>
 		<grpc.version>1.13.1</grpc.version>
-		<protobuf.version>3.6.0</protobuf.version>
+		<protobuf.version>3.16.3</protobuf.version>
 		<java.version>1.8</java.version>
 		<kafka.version>2.2.0</kafka.version>
 		<kafka.scala.version>2.11</kafka.scala.version>