diff --git a/opensource-hadoop1/pom.xml b/opensource-hadoop1/pom.xml
index d93302f..be84460 100644
--- a/opensource-hadoop1/pom.xml
+++ b/opensource-hadoop1/pom.xml
@@ -12,7 +12,7 @@
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>2.4.1</version>
+			<version>3.16.3</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>