diff --git a/pom.xml b/pom.xml
index f00f723..2a2df05 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
   	<dependency>
   		<groupId>com.google.protobuf</groupId>
   		<artifactId>protobuf-java</artifactId>
-  		<version>2.4.1</version>
+  		<version>3.16.3</version>
   	</dependency>
   	<dependency>
   		<groupId>commons-cli</groupId>