diff --git a/ftpclient/pom.xml b/ftpclient/pom.xml
index 6373cae..b502613 100644
--- a/ftpclient/pom.xml
+++ b/ftpclient/pom.xml
@@ -30,7 +30,7 @@
     <dependency>
       <groupId>commons-net</groupId>
       <artifactId>commons-net</artifactId>
-      <version>3.6</version>
+      <version>3.9.0</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.openjfx/javafx -->
     <dependency>