diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 5eafa42..b857e97
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.6</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>