diff --git a/zktest/src/test/java/org/zkoss/zktest/zats/test2/B50_3052381Test.java b/zktest/src/test/java/org/zkoss/zktest/zats/test2/B50_3052381Test.java
index 2e21579659..3d28ee46ca 100644
--- a/zktest/src/test/java/org/zkoss/zktest/zats/test2/B50_3052381Test.java
+++ b/zktest/src/test/java/org/zkoss/zktest/zats/test2/B50_3052381Test.java
@@ -16,17 +16,17 @@
 
 import java.util.Collections;
 
-import net.jcip.annotations.NotThreadSafe;
 import org.junit.jupiter.api.Test;
 import org.openqa.selenium.chrome.ChromeOptions;
 
 import org.zkoss.test.webdriver.DockerWebDriverTestCase;
+import org.zkoss.test.webdriver.ForkJVMTestOnly;
 import org.zkoss.test.webdriver.ztl.JQuery;
 
 /**
  * @author rudyhuang
  */
-@NotThreadSafe
+@ForkJVMTestOnly
 public class B50_3052381Test extends DockerWebDriverTestCase {
 	@Override
 	protected ChromeOptions getWebDriverOptions() {