diff --git a/quickstart-apache-commons/pom.xml b/quickstart-apache-commons/pom.xml
index 9d40a90..133a12f 100644
--- a/quickstart-apache-commons/pom.xml
+++ b/quickstart-apache-commons/pom.xml
@@ -220,7 +220,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.6</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>