diff --git a/spring-rabbit-test/src/main/java/org/springframework/amqp/rabbit/test/mockito/LatchCountDownAndCallRealMethodAnswer.java b/spring-rabbit-test/src/main/java/org/springframework/amqp/rabbit/test/mockito/LatchCountDownAndCallRealMethodAnswer.java
index b61cbba6..fac417b2 100644
--- a/spring-rabbit-test/src/main/java/org/springframework/amqp/rabbit/test/mockito/LatchCountDownAndCallRealMethodAnswer.java
+++ b/spring-rabbit-test/src/main/java/org/springframework/amqp/rabbit/test/mockito/LatchCountDownAndCallRealMethodAnswer.java
@@ -36,9 +36,10 @@ import org.springframework.lang.Nullable;
  * @since 1.6
  *
  */
-@SuppressWarnings("serial")
 public class LatchCountDownAndCallRealMethodAnswer extends ForwardsInvocations {
 
+	private static final long serialVersionUID = 1L;
+
 	private final transient CountDownLatch latch;
 
 	private final Set<Exception> exceptions = Collections.synchronizedSet(new LinkedHashSet<>());