diff --git a/baas-server/pom.xml b/baas-server/pom.xml
index b674599..12080f5 100644
--- a/baas-server/pom.xml
+++ b/baas-server/pom.xml
@@ -196,7 +196,7 @@
         <dependency>
             <groupId>commons-net</groupId>
             <artifactId>commons-net</artifactId>
-            <version>3.6</version>
+            <version>3.9.0</version>
         </dependency>
         <dependency>
             <groupId>commons-io</groupId>