diff --git a/pom.xml b/pom.xml
index d5aceaf..8d0777d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,7 @@
 
 	<properties>
 		<grpc.version>1.23.0</grpc.version><!-- CURRENT_GRPC_VERSION -->
-		<protobuf.version>3.10.0</protobuf.version>
+		<protobuf.version>3.16.3</protobuf.version>
 		<bouncycastle.version>1.63</bouncycastle.version>
 		<httpclient.version>4.5.10</httpclient.version>
 		<skipITs>true</skipITs>