diff --git a/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/EchoIntegrationTest.java b/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/EchoIntegrationTest.java
index 103824b6aa..1e85b9d6dd 100644
--- a/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/EchoIntegrationTest.java
+++ b/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/EchoIntegrationTest.java
@@ -24,7 +24,7 @@ public class EchoIntegrationTest {
 
         Executors.newSingleThreadExecutor()
             .submit(() -> new EchoServer().start(port));
-        Thread.sleep(500);
+        Thread.sleep(2000);
     }
 
     private EchoClient client = new EchoClient();
diff --git a/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java b/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java
index 2bded156c5..09f20c970d 100644
--- a/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java
+++ b/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/GreetServerIntegrationTest.java
@@ -27,7 +27,7 @@ public class GreetServerIntegrationTest {
         
         Executors.newSingleThreadExecutor()
             .submit(() -> new GreetServer().start(port));
-        Thread.sleep(500);
+        Thread.sleep(2000);
     }
 
     @Before
diff --git a/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java b/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java
index 62e2dd44ae..f08542c1aa 100644
--- a/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java
+++ b/core-java-modules/core-java-networking/src/test/java/com/baeldung/socket/SocketEchoMultiIntegrationTest.java
@@ -23,7 +23,7 @@ public class SocketEchoMultiIntegrationTest {
         s.close();
 
         Executors.newSingleThreadExecutor().submit(() -> new EchoMultiServer().start(port));
-        Thread.sleep(500);
+        Thread.sleep(2000);
     }
 
     @Test