diff --git a/AkkaPersistentExample/pom.xml b/AkkaPersistentExample/pom.xml
index ffe1732..88622b4 100644
--- a/AkkaPersistentExample/pom.xml
+++ b/AkkaPersistentExample/pom.xml
@@ -39,7 +39,7 @@
 		<dependency>
 			<groupId>com.google.protobuf</groupId>
 			<artifactId>protobuf-java</artifactId>
-			<version>2.5.0</version>
+			<version>3.16.3</version>
 		</dependency>
 	</dependencies>
 </project>