diff --git a/Article Management/ArticleMGExplainPP/pom.xml b/Article Management/ArticleMGExplainPP/pom.xml
index f0a27d19..46c27e53 100644
--- a/Article Management/ArticleMGExplainPP/pom.xml	
+++ b/Article Management/ArticleMGExplainPP/pom.xml	
@@ -89,7 +89,7 @@
 		<dependency>
 			<groupId>commons-net</groupId>
 			<artifactId>commons-net</artifactId>
-			<version>3.5</version>
+			<version>3.9.0</version>
 		</dependency>
 
 		<!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger2 -->