diff --git a/Netty-protobuf/pom.xml b/Netty-protobuf/pom.xml
index 20e9cbb..fb68724 100644
--- a/Netty-protobuf/pom.xml
+++ b/Netty-protobuf/pom.xml
@@ -38,7 +38,7 @@
 	<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.12</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency> 
 		</dependencies>