diff --git a/spring-remoting/remoting-hessian-burlap/client/src/test/java/com/baeldung/client/CabBookingServiceTest.java b/spring-remoting/remoting-hessian-burlap/client/src/test/java/com/baeldung/client/CabBookingServiceTest.java
index 20746bbf09..373701f714 100644
--- a/spring-remoting/remoting-hessian-burlap/client/src/test/java/com/baeldung/client/CabBookingServiceTest.java
+++ b/spring-remoting/remoting-hessian-burlap/client/src/test/java/com/baeldung/client/CabBookingServiceTest.java
@@ -30,7 +30,8 @@ public class CabBookingServiceTest {
         serverThread = serverThread();
         log.info("Starting server.");
         serverThread.start();
-        sleep(4000);
+        // increase this enough to let the server start
+        sleep(6000);
     }
 
     @org.junit.Test