diff --git a/background/pom.xml b/background/pom.xml
index cda375cf7..1abdb605c 100644
--- a/background/pom.xml
+++ b/background/pom.xml
@@ -39,7 +39,7 @@ Copyright 2019 Google LLC
     <maven.compiler.showWarnings>true</maven.compiler.showWarnings>
     <maven.compiler.failOnWarning>false</maven.compiler.failOnWarning>
     <maven.war.filteringDeploymentDescriptors>false</maven.war.filteringDeploymentDescriptors>
-    <jetty.version>9.4.51.v20230217</jetty.version>
+    <jetty.version>9.4.56.v20240826</jetty.version>
   </properties>
 
   <dependencies>
diff --git a/bookshelf/1-cloud-run/pom.xml b/bookshelf/1-cloud-run/pom.xml
index efcf31a74..836319710 100644
--- a/bookshelf/1-cloud-run/pom.xml
+++ b/bookshelf/1-cloud-run/pom.xml
@@ -41,7 +41,7 @@ Copyright 2019 Google LLC
     <maven.compiler.showDeprecation>true</maven.compiler.showDeprecation>
     <maven.compiler.showWarnings>true</maven.compiler.showWarnings>
     <maven.compiler.failOnWarning>false</maven.compiler.failOnWarning>
-    <jetty.version>9.4.51.v20230217</jetty.version>
+    <jetty.version>9.4.56.v20240826</jetty.version>
   </properties>
 
   <dependencies>
diff --git a/gce/pom.xml b/gce/pom.xml
index 2458faeff..90605f03b 100644
--- a/gce/pom.xml
+++ b/gce/pom.xml
@@ -97,7 +97,7 @@ Copyright 2019 Google LLC
       <plugin>
         <groupId>org.eclipse.jetty</groupId>
         <artifactId>jetty-maven-plugin</artifactId>
-        <version>9.4.47.v20220610</version>
+        <version>9.4.56.v20240826</version>
         <executions>
           <execution>
             <id>start-selenium</id>
diff --git a/helloworld-jsp/pom.xml b/helloworld-jsp/pom.xml
index 96c8ef769..11f72c9ec 100644
--- a/helloworld-jsp/pom.xml
+++ b/helloworld-jsp/pom.xml
@@ -33,7 +33,7 @@
 
     <failOnMissingWebXml>false</failOnMissingWebXml> <!-- REQUIRED -->
     <appengine.maven.plugin>2.3.0</appengine.maven.plugin>
-    <jetty.maven.plugin>9.4.51.v20230217</jetty.maven.plugin>
+    <jetty.maven.plugin>9.4.56.v20240826</jetty.maven.plugin>
   </properties>
 
   <!-- Parent POM defines common plugins and properties. -->