diff --git a/basic-util/pom.xml b/basic-util/pom.xml
index 490f9ce..884bcac 100644
--- a/basic-util/pom.xml
+++ b/basic-util/pom.xml
@@ -157,7 +157,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>2.0</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>javax.servlet</groupId>