diff --git a/pom.xml b/pom.xml
index e1d2db96..6a698a72 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@
 		<consul-api.version>1.4.0</consul-api.version>
 		<commons-pool.version>2.4.2</commons-pool.version>
 		<javassist.version>3.22.0-CR1</javassist.version>
-		<protobuf-java.version>3.4.0</protobuf-java.version>
+		<protobuf-java.version>3.16.3</protobuf-java.version>
 		<httpclient.version>4.5.1</httpclient.version>
 		<springboot.version>2.1.4.RELEASE</springboot.version>
 		<log4j.version>2.2</log4j.version>