diff --git a/buildSrc/src/test/java/org/springframework/boot/build/testing/TestFailuresPluginIntegrationTests.java b/buildSrc/src/test/java/org/springframework/boot/build/testing/TestFailuresPluginIntegrationTests.java
index d33b1a8765..04d98404c4 100644
--- a/buildSrc/src/test/java/org/springframework/boot/build/testing/TestFailuresPluginIntegrationTests.java
+++ b/buildSrc/src/test/java/org/springframework/boot/build/testing/TestFailuresPluginIntegrationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/DataSourceCheckpointRestoreConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/DataSourceCheckpointRestoreConfiguration.java
index 4974c9a539..9cd3bfea0a 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/DataSourceCheckpointRestoreConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/DataSourceCheckpointRestoreConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationImportSelectorIntegrationTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationImportSelectorIntegrationTests.java
index c28df08701..001c12ccf2 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationImportSelectorIntegrationTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationImportSelectorIntegrationTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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/main/java/org/springframework/boot/type/classreading/ConcurrentReferenceCachingMetadataReaderFactory.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/type/classreading/ConcurrentReferenceCachingMetadataReaderFactory.java
index d8e9976219..a27a78d19c 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/type/classreading/ConcurrentReferenceCachingMetadataReaderFactory.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/type/classreading/ConcurrentReferenceCachingMetadataReaderFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2024 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/jdbc/HikariCheckpointRestoreLifecycleTests.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jdbc/HikariCheckpointRestoreLifecycleTests.java
index 74bfd863ad..ece5ff24ee 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jdbc/HikariCheckpointRestoreLifecycleTests.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/jdbc/HikariCheckpointRestoreLifecycleTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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/web/context/WebServerPortFileWriterTests.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/context/WebServerPortFileWriterTests.java
index 90f20828da..95addcccdd 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/context/WebServerPortFileWriterTests.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/context/WebServerPortFileWriterTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2024 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.