diff --git a/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/junit4/StubRunnerRuleCustomPortJUnitTest.java b/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/junit4/StubRunnerRuleCustomPortJUnitTest.java
index 39d32657c2..5c58ea4862 100644
--- a/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/junit4/StubRunnerRuleCustomPortJUnitTest.java
+++ b/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/junit4/StubRunnerRuleCustomPortJUnitTest.java
@@ -40,8 +40,8 @@ public class StubRunnerRuleCustomPortJUnitTest {
 	@ClassRule
 	public static StubRunnerRule rule = new StubRunnerRule().repoRoot(repoRoot())
 			.stubsMode(StubRunnerProperties.StubsMode.REMOTE)
-			.downloadStub("org.springframework.cloud.contract.verifier.stubs", "loanIssuance").withPort(12345)
-			.downloadStub("org.springframework.cloud.contract.verifier.stubs:fraudDetectionServer:12346");
+			.downloadStub("org.springframework.cloud.contract.verifier.stubs", "loanIssuance").withPort(35465)
+			.downloadStub("org.springframework.cloud.contract.verifier.stubs:fraudDetectionServer:35466");
 
 	@BeforeClass
 	@AfterClass
@@ -80,8 +80,8 @@ public class StubRunnerRuleCustomPortJUnitTest {
 		then(httpGet(rule.findStubUrl("fraudDetectionServer").toString() + "/name")).isEqualTo("fraudDetectionServer");
 		// and: 'The port is fixed'
 		// tag::test_with_port[]
-		then(rule.findStubUrl("loanIssuance")).isEqualTo(URI.create("http://localhost:12345").toURL());
-		then(rule.findStubUrl("fraudDetectionServer")).isEqualTo(URI.create("http://localhost:12346").toURL());
+		then(rule.findStubUrl("loanIssuance")).isEqualTo(URI.create("http://localhost:35465").toURL());
+		then(rule.findStubUrl("fraudDetectionServer")).isEqualTo(URI.create("http://localhost:35466").toURL());
 		// end::test_with_port[]
 	}
 
diff --git a/spring-cloud-contract-wiremock/src/test/java/org/springframework/cloud/contract/wiremock/AutoConfigureWireMockApplicationTests.java b/spring-cloud-contract-wiremock/src/test/java/org/springframework/cloud/contract/wiremock/AutoConfigureWireMockApplicationTests.java
index 6f89362230..8aa3e0f374 100644
--- a/spring-cloud-contract-wiremock/src/test/java/org/springframework/cloud/contract/wiremock/AutoConfigureWireMockApplicationTests.java
+++ b/spring-cloud-contract-wiremock/src/test/java/org/springframework/cloud/contract/wiremock/AutoConfigureWireMockApplicationTests.java
@@ -33,7 +33,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = WiremockTestsApplication.class,
 		properties = "app.baseUrl=http://localhost:${wiremock.server.port}", webEnvironment = WebEnvironment.NONE)
-@AutoConfigureWireMock(port = 12345)
+@AutoConfigureWireMock(port = 26384)
 public class AutoConfigureWireMockApplicationTests {
 
 	@Autowired