diff --git a/code/guns-order/pom.xml b/code/guns-order/pom.xml
index e88fe23..674f55f 100644
--- a/code/guns-order/pom.xml
+++ b/code/guns-order/pom.xml
@@ -64,7 +64,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.6</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>