diff --git a/buildSrc/src/main/java/org/springframework/boot/build/bom/UpgradePolicy.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/UpgradePolicy.java
index af2341a8c1ac..e9d72393965f 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/UpgradePolicy.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/UpgradePolicy.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 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/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/ReleaseSchedule.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/ReleaseSchedule.java
index 28d827867cd7..c32518b46246 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/ReleaseSchedule.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/ReleaseSchedule.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/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/github/Milestone.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/github/Milestone.java
index 7a1ce8ae2668..38d3f1dd5e27 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/github/Milestone.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/github/Milestone.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 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/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/AbstractDependencyVersion.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/AbstractDependencyVersion.java
index 89860306c16d..64eb84d5d2c3 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/AbstractDependencyVersion.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/AbstractDependencyVersion.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 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/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersion.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersion.java
index 59c685fd23fe..475e2149f90b 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersion.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersion.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 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/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/UnstructuredDependencyVersion.java b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/UnstructuredDependencyVersion.java
index cdd44f9cbcc4..5799225958bf 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/UnstructuredDependencyVersion.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/version/UnstructuredDependencyVersion.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 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/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/ReleaseScheduleTests.java b/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/ReleaseScheduleTests.java
index 3931221ffaf1..f4718e62f075 100644
--- a/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/ReleaseScheduleTests.java
+++ b/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/ReleaseScheduleTests.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/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersionTests.java b/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersionTests.java
index 023b64b0bd3a..08ebb7dbf98f 100644
--- a/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersionTests.java
+++ b/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/CalendarVersionDependencyVersionTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 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/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/DependencyVersionUpgradeTests.java b/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/DependencyVersionUpgradeTests.java
index f51b9eea9e7f..7220de730d01 100644
--- a/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/DependencyVersionUpgradeTests.java
+++ b/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/DependencyVersionUpgradeTests.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-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/artemis/ArtemisProperties.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/artemis/ArtemisProperties.java
index e7db6ff2baec..15325c1c2768 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/artemis/ArtemisProperties.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jms/artemis/ArtemisProperties.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-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/embedded/NettyWebServerFactoryCustomizerTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/embedded/NettyWebServerFactoryCustomizerTests.java
index 65795b60bde3..b65a150a3306 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/embedded/NettyWebServerFactoryCustomizerTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/embedded/NettyWebServerFactoryCustomizerTests.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/ExampleRepository.java b/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/jdbc/ExampleRepository.java
index 65de49607309..4286cf9ca10a 100644
--- a/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/jdbc/ExampleRepository.java
+++ b/spring-boot-project/spring-boot-test-autoconfigure/src/test/java/org/springframework/boot/test/autoconfigure/jdbc/ExampleRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 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.