diff --git a/spring-cloud-zuul-ratelimit-core/pom.xml b/spring-cloud-zuul-ratelimit-core/pom.xml
index 2e471f4d..4db519e9 100644
--- a/spring-cloud-zuul-ratelimit-core/pom.xml
+++ b/spring-cloud-zuul-ratelimit-core/pom.xml
@@ -162,7 +162,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.8.0</version>
+            <version>3.11.1</version>
         </dependency>
 
     </dependencies>