diff --git a/java11/appengine-simple-jetty-main/pom.xml b/java11/appengine-simple-jetty-main/pom.xml
index f6453a3..35e6153 100644
--- a/java11/appengine-simple-jetty-main/pom.xml
+++ b/java11/appengine-simple-jetty-main/pom.xml
@@ -15,7 +15,7 @@
     <dependency>
       <groupId>org.eclipse.jetty</groupId>
       <artifactId>jetty-server</artifactId>
-      <version>9.4.19.v20190610</version>
+      <version>9.4.41.v20210516</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.jetty</groupId>