diff --git a/kafka/src/test/java/zipkin2/reporter/kafka/KafkaExtension.java b/kafka/src/test/java/zipkin2/reporter/kafka/KafkaExtension.java
index 3b1b4f7f..f5ddab93 100644
--- a/kafka/src/test/java/zipkin2/reporter/kafka/KafkaExtension.java
+++ b/kafka/src/test/java/zipkin2/reporter/kafka/KafkaExtension.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2021 The OpenZipkin Authors
+ * Copyright 2016-2023 The OpenZipkin Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at