diff --git a/test/jdk/java/net/httpclient/ManyRequests2.java b/test/jdk/java/net/httpclient/ManyRequests2.java
index b0d17fe9bca..69ce475eca2 100644
--- a/test/jdk/java/net/httpclient/ManyRequests2.java
+++ b/test/jdk/java/net/httpclient/ManyRequests2.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2024, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -33,16 +33,16 @@
  * @compile ../../../com/sun/net/httpserver/EchoHandler.java
  * @compile ../../../com/sun/net/httpserver/FileServerHandler.java
  * @build ManyRequests ManyRequests2
- * @run main/othervm/timeout=40 -Dtest.XFixed=true
+ * @run main/othervm/timeout=400 -Dsun.net.httpserver.idleInterval=400 -Dtest.XFixed=true
  *                              -Djdk.tracePinnedThreads=full
  *                              -Djdk.httpclient.HttpClient.log=channel ManyRequests2
- * @run main/othervm/timeout=40 -Dtest.XFixed=true -Dtest.insertDelay=true
+ * @run main/othervm/timeout=400 -Dsun.net.httpserver.idleInterval=400 -Dtest.XFixed=true -Dtest.insertDelay=true
  *                              -Djdk.tracePinnedThreads=full
  *                              -Djdk.httpclient.HttpClient.log=channel ManyRequests2
- * @run main/othervm/timeout=40 -Dtest.XFixed=true -Dtest.chunkSize=64
+ * @run main/othervm/timeout=400 -Dsun.net.httpserver.idleInterval=400 -Dtest.XFixed=true -Dtest.chunkSize=64
  *                              -Djdk.tracePinnedThreads=full
  *                              -Djdk.httpclient.HttpClient.log=channel ManyRequests2
- * @run main/othervm/timeout=400 -Djdk.internal.httpclient.debug=true
+ * @run main/othervm/timeout=400 -Dsun.net.httpserver.idleInterval=400 -Djdk.internal.httpclient.debug=true
  *                              -Djdk.tracePinnedThreads=full
  *                              -Djdk.httpclient.HttpClient.log=channel
  *                              -Dtest.XFixed=true -Dtest.insertDelay=true