diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/amqp/RabbitStreamConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/amqp/RabbitStreamConfiguration.java
index dfacce8455a..569cdb2bf66 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/amqp/RabbitStreamConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/amqp/RabbitStreamConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/jdbc/ExampleJdbcClientRepository.java b/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/jdbc/ExampleJdbcClientRepository.java
index 3ba42164716..a104017292a 100644
--- a/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/jdbc/ExampleJdbcClientRepository.java
+++ b/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/jdbc/ExampleJdbcClientRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 the original author or authors.
+ * Copyright 2023-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/reactor/InstrumentedFluxProvider.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/reactor/InstrumentedFluxProvider.java
index d9382b364b4..eaf3abfa340 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/reactor/InstrumentedFluxProvider.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/reactor/InstrumentedFluxProvider.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.