diff --git a/pom.xml b/pom.xml
index b3a7097..d3409b5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -88,7 +88,7 @@
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>2.6.1</version>
+			<version>3.16.3</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.http-client</groupId>