diff --git a/ambari-server/pom.xml b/ambari-server/pom.xml
index faf37859..b2a5b861 100644
--- a/ambari-server/pom.xml
+++ b/ambari-server/pom.xml
@@ -1352,7 +1352,7 @@
     <dependency>
       <groupId>commons-net</groupId>
       <artifactId>commons-net</artifactId>
-      <version>1.4.1</version>
+      <version>3.9.0</version>
     </dependency>
     <dependency>
       <groupId>javax.servlet</groupId>