diff --git a/WebService_Study/Jersey/JerseyDemo/pom.xml b/WebService_Study/Jersey/JerseyDemo/pom.xml
index 8bbc3dce..f8bdf7a7 100644
--- a/WebService_Study/Jersey/JerseyDemo/pom.xml
+++ b/WebService_Study/Jersey/JerseyDemo/pom.xml
@@ -55,7 +55,7 @@
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-server</artifactId>
-            <version>9.2.14.v20151106</version>
+            <version>9.4.41.v20210516</version>
         </dependency>
 
         <dependency>