diff --git a/core/pom.xml b/core/pom.xml
index 22db81be..da734ab8 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -62,7 +62,7 @@
       <dependency>
          <groupId>commons-net</groupId>
          <artifactId>commons-net</artifactId>
-         <version>3.3</version>
+         <version>3.9.0</version>
       </dependency>
       <dependency>
          <groupId>org.apache.commons</groupId>