diff --git a/localfullnode2/pom.xml b/localfullnode2/pom.xml
index 591df09b..5db68fa2 100644
--- a/localfullnode2/pom.xml
+++ b/localfullnode2/pom.xml
@@ -35,7 +35,7 @@
 		<dependency>
 		    <groupId>com.google.protobuf</groupId>
 		    <artifactId>protobuf-java</artifactId>
-		    <version>3.11.0</version>
+		    <version>3.16.3</version>
 		</dependency>
 		<dependency>
 			<groupId>com.google.guava</groupId>
@@ -386,7 +386,7 @@
 		<dependency>
 		    <groupId>com.google.protobuf</groupId>
 		    <artifactId>protobuf-java</artifactId>
-		    <version>3.11.0</version>
+		    <version>3.16.3</version>
 		</dependency>
 			
 		<dependency>