diff --git a/cubic-agent/pom.xml b/cubic-agent/pom.xml
index 662af19..065e1b6 100644
--- a/cubic-agent/pom.xml
+++ b/cubic-agent/pom.xml
@@ -60,7 +60,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.6</version>
+            <version>3.9.0</version>
         </dependency>
 
         <dependency>