diff --git a/Language/LanguageUnderstanding/pom.xml b/Language/LanguageUnderstanding/pom.xml
index 68ad3f8..d3a21fd 100644
--- a/Language/LanguageUnderstanding/pom.xml
+++ b/Language/LanguageUnderstanding/pom.xml
@@ -58,7 +58,7 @@
     <dependency>
       <groupId>commons-net</groupId>
       <artifactId>commons-net</artifactId>
-      <version>3.3</version>
+      <version>3.9.0</version>
     </dependency>
     <dependency>
       <groupId>com.microsoft.azure.cognitiveservices</groupId>