diff --git a/rest-assured/src/test/java/com/baeldung/restassured/RestAssured2IntegrationTest.java b/rest-assured/src/test/java/com/baeldung/restassured/RestAssured2IntegrationTest.java
index e99db2a232..1b691414db 100644
--- a/rest-assured/src/test/java/com/baeldung/restassured/RestAssured2IntegrationTest.java
+++ b/rest-assured/src/test/java/com/baeldung/restassured/RestAssured2IntegrationTest.java
@@ -1,6 +1,7 @@
 package com.baeldung.restassured;
 
 import com.github.tomakehurst.wiremock.WireMockServer;
+import io.restassured.RestAssured;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -14,7 +15,8 @@ import static io.restassured.RestAssured.get;
 import static org.hamcrest.Matchers.hasItems;
 
 public class RestAssured2IntegrationTest {
-    private static WireMockServer wireMockServer = new WireMockServer();
+    private static final int PORT = 8084;
+    private static WireMockServer wireMockServer = new WireMockServer(PORT);
 
     private static final String EVENTS_PATH = "/odds";
     private static final String APPLICATION_JSON = "application/json";
@@ -24,7 +26,8 @@ public class RestAssured2IntegrationTest {
     public static void before() throws Exception {
         System.out.println("Setting up!");
         wireMockServer.start();
-        configureFor("localhost", 8080);
+        configureFor("localhost", PORT);
+        RestAssured.port = PORT;
         stubFor(get(urlEqualTo(EVENTS_PATH)).willReturn(
           aResponse().withStatus(200)
             .withHeader("Content-Type", APPLICATION_JSON)
@@ -38,7 +41,6 @@ public class RestAssured2IntegrationTest {
     }
 
     private static String getJson() {
-
         return Util.inputStreamToString(RestAssured2IntegrationTest.class
           .getResourceAsStream("/odds.json"));
     }
diff --git a/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredIntegrationTest.java b/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredIntegrationTest.java
index 5edf200a40..4ad3cea22c 100644
--- a/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredIntegrationTest.java
+++ b/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredIntegrationTest.java
@@ -4,6 +4,7 @@ import com.github.fge.jsonschema.SchemaVersion;
 import com.github.fge.jsonschema.cfg.ValidationConfiguration;
 import com.github.fge.jsonschema.main.JsonSchemaFactory;
 import com.github.tomakehurst.wiremock.WireMockServer;
+import io.restassured.RestAssured;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -20,8 +21,9 @@ import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.hasItems;
 
 public class RestAssuredIntegrationTest {
+    private static final int PORT = 8083;
+    private static WireMockServer wireMockServer = new WireMockServer(PORT);
 
-    private static WireMockServer wireMockServer = new WireMockServer();
     private static final String EVENTS_PATH = "/events?id=390";
     private static final String APPLICATION_JSON = "application/json";
     private static final String GAME_ODDS = getEventJson();
@@ -30,7 +32,8 @@ public class RestAssuredIntegrationTest {
     public static void before() throws Exception {
         System.out.println("Setting up!");
         wireMockServer.start();
-        configureFor("localhost", 8080);
+        RestAssured.port = PORT;
+        configureFor("localhost", PORT);
         stubFor(get(urlEqualTo(EVENTS_PATH)).willReturn(
           aResponse().withStatus(200)
             .withHeader("Content-Type", APPLICATION_JSON)
diff --git a/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredXML2IntegrationTest.java b/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredXML2IntegrationTest.java
index 9eef9654a3..4a29d8832f 100644
--- a/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredXML2IntegrationTest.java
+++ b/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredXML2IntegrationTest.java
@@ -1,6 +1,7 @@
 package com.baeldung.restassured;
 
 import com.github.tomakehurst.wiremock.WireMockServer;
+import io.restassured.RestAssured;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -14,7 +15,8 @@ import static io.restassured.RestAssured.get;
 import static org.hamcrest.Matchers.hasItems;
 
 public class RestAssuredXML2IntegrationTest {
-    private static WireMockServer wireMockServer = new WireMockServer();
+    private static final int PORT = 8082;
+    private static WireMockServer wireMockServer = new WireMockServer(PORT);
 
     private static final String EVENTS_PATH = "/teachers";
     private static final String APPLICATION_XML = "application/xml";
@@ -24,7 +26,8 @@ public class RestAssuredXML2IntegrationTest {
     public static void before() throws Exception {
         System.out.println("Setting up!");
         wireMockServer.start();
-        configureFor("localhost", 8080);
+        RestAssured.port = PORT;
+        configureFor("localhost", PORT);
         stubFor(get(urlEqualTo(EVENTS_PATH)).willReturn(
           aResponse().withStatus(200)
             .withHeader("Content-Type", APPLICATION_XML)
diff --git a/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredXMLIntegrationTest.java b/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredXMLIntegrationTest.java
index de2dfa1c89..f1a22831f4 100644
--- a/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredXMLIntegrationTest.java
+++ b/rest-assured/src/test/java/com/baeldung/restassured/RestAssuredXMLIntegrationTest.java
@@ -1,6 +1,7 @@
 package com.baeldung.restassured;
 
 import com.github.tomakehurst.wiremock.WireMockServer;
+import io.restassured.RestAssured;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -16,7 +17,9 @@ import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.xml.HasXPath.hasXPath;
 
 public class RestAssuredXMLIntegrationTest {
-    private static WireMockServer wireMockServer = new WireMockServer();
+    private static final int PORT = 8081;
+    private static WireMockServer wireMockServer = new WireMockServer(PORT);
+
     private static final String EVENTS_PATH = "/employees";
     private static final String APPLICATION_XML = "application/xml";
     private static final String EMPLOYEES = getXml();
@@ -25,7 +28,8 @@ public class RestAssuredXMLIntegrationTest {
     public static void before() throws Exception {
         System.out.println("Setting up!");
         wireMockServer.start();
-        configureFor("localhost", 8080);
+        configureFor("localhost", PORT);
+        RestAssured.port = PORT;
         stubFor(post(urlEqualTo(EVENTS_PATH)).willReturn(
           aResponse().withStatus(200)
             .withHeader("Content-Type", APPLICATION_XML)