diff --git a/pom.xml b/pom.xml
index ed973f1..59f32e8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -99,7 +99,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.3</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>net.sf.json-lib</groupId>