diff --git a/pom.xml b/pom.xml
index a02187d..d86d291 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.6</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.json</groupId>