diff --git a/netty-mqtt/src/test/java/org/thingsboard/mqtt/integration/MqttIntegrationTest.java b/netty-mqtt/src/test/java/org/thingsboard/mqtt/integration/MqttIntegrationTest.java
index f0c0800c88..7f71bc58a6 100644
--- a/netty-mqtt/src/test/java/org/thingsboard/mqtt/integration/MqttIntegrationTest.java
+++ b/netty-mqtt/src/test/java/org/thingsboard/mqtt/integration/MqttIntegrationTest.java
@@ -27,6 +27,7 @@ import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.parallel.ResourceLock;
 import org.thingsboard.common.util.AbstractListeningExecutor;
 import org.thingsboard.mqtt.MqttClient;
 import org.thingsboard.mqtt.MqttClientConfig;
@@ -39,6 +40,7 @@ import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
 
+@ResourceLock("port8885") // test MQTT server port
 @Slf4j
 public class MqttIntegrationTest {
 
diff --git a/netty-mqtt/src/test/java/org/thingsboard/mqtt/integration/server/MqttServer.java b/netty-mqtt/src/test/java/org/thingsboard/mqtt/integration/server/MqttServer.java
index 40663165e6..6bbdace643 100644
--- a/netty-mqtt/src/test/java/org/thingsboard/mqtt/integration/server/MqttServer.java
+++ b/netty-mqtt/src/test/java/org/thingsboard/mqtt/integration/server/MqttServer.java
@@ -46,7 +46,7 @@ public class MqttServer {
     private EventLoopGroup workerGroup;
 
     public void init() throws Exception {
-        log.info("Starting MQTT server...");
+        log.info("Starting MQTT server on port {}...", mqttPort);
         bossGroup = new NioEventLoopGroup();
         workerGroup = new NioEventLoopGroup();
         ServerBootstrap b = new ServerBootstrap();