diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/transaction/TransactionAutoConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/transaction/TransactionAutoConfiguration.java
index d0c7e7910d8..7f3efffddde 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/transaction/TransactionAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/transaction/TransactionAutoConfiguration.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-devtools/src/test/java/org/springframework/boot/devtools/restart/SilentExitExceptionHandlerTests.java b/spring-boot-project/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/restart/SilentExitExceptionHandlerTests.java
index 84539500ffd..1e430b091ad 100644
--- a/spring-boot-project/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/restart/SilentExitExceptionHandlerTests.java
+++ b/spring-boot-project/spring-boot-devtools/src/test/java/org/springframework/boot/devtools/restart/SilentExitExceptionHandlerTests.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.
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/CollectionBinder.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/CollectionBinder.java
index 7455a13fedf..4c9d10ec58d 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/CollectionBinder.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/CollectionBinder.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.
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/ServletComponentRegisteringPostProcessor.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/ServletComponentRegisteringPostProcessor.java
index 63b36ad9de0..01b1e08c18d 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/ServletComponentRegisteringPostProcessor.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/servlet/ServletComponentRegisteringPostProcessor.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/src/test/java/org/springframework/boot/web/servlet/ServletComponentScanIntegrationTests.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/ServletComponentScanIntegrationTests.java
index b25dd3eefa9..b3e40e48704 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/ServletComponentScanIntegrationTests.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/ServletComponentScanIntegrationTests.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/src/test/java/org/springframework/boot/web/servlet/testcomponents/filter/TestFilter.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/testcomponents/filter/TestFilter.java
index d9b15789388..38e30ff931d 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/testcomponents/filter/TestFilter.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/testcomponents/filter/TestFilter.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/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/testcomponents/servlet/TestMultipartServlet.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/testcomponents/servlet/TestMultipartServlet.java
index f5c2ef5c6c2..3669b8438de 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/testcomponents/servlet/TestMultipartServlet.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/web/servlet/testcomponents/servlet/TestMultipartServlet.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.