diff --git a/fdks/fdk-java/examples/async-thumbnails/pom.xml b/fdks/fdk-java/examples/async-thumbnails/pom.xml
index 86e389e..bd87176 100644
--- a/fdks/fdk-java/examples/async-thumbnails/pom.xml
+++ b/fdks/fdk-java/examples/async-thumbnails/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.6</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>