diff --git a/pom.xml b/pom.xml
index 8a3f8ac..1b75404 100644
--- a/pom.xml
+++ b/pom.xml
@@ -585,7 +585,7 @@
       <dependency>
         <groupId>commons-net</groupId>
         <artifactId>commons-net</artifactId>
-        <version>3.1</version>
+        <version>3.9.0</version>
       </dependency>
       <dependency>
         <groupId>io.netty</groupId>