diff --git a/spring-core/src/main/java/org/springframework/util/StreamUtils.java b/spring-core/src/main/java/org/springframework/util/StreamUtils.java
index 99d09eefe1..9d982f89a6 100644
--- a/spring-core/src/main/java/org/springframework/util/StreamUtils.java
+++ b/spring-core/src/main/java/org/springframework/util/StreamUtils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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-test/src/main/java/org/springframework/test/context/event/RecordApplicationEvents.java b/spring-test/src/main/java/org/springframework/test/context/event/RecordApplicationEvents.java
index 804594268d..5f74660a5d 100644
--- a/spring-test/src/main/java/org/springframework/test/context/event/RecordApplicationEvents.java
+++ b/spring-test/src/main/java/org/springframework/test/context/event/RecordApplicationEvents.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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-webflux/src/main/java/org/springframework/web/reactive/function/client/ClientRequestObservationContext.java b/spring-webflux/src/main/java/org/springframework/web/reactive/function/client/ClientRequestObservationContext.java
index 036d534b43..4d0f2fdc39 100644
--- a/spring-webflux/src/main/java/org/springframework/web/reactive/function/client/ClientRequestObservationContext.java
+++ b/spring-webflux/src/main/java/org/springframework/web/reactive/function/client/ClientRequestObservationContext.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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-webmvc/src/test/java/org/springframework/web/servlet/handler/HandlerMappingIntrospectorTests.java b/spring-webmvc/src/test/java/org/springframework/web/servlet/handler/HandlerMappingIntrospectorTests.java
index 600ae8b886..c93b001a5c 100644
--- a/spring-webmvc/src/test/java/org/springframework/web/servlet/handler/HandlerMappingIntrospectorTests.java
+++ b/spring-webmvc/src/test/java/org/springframework/web/servlet/handler/HandlerMappingIntrospectorTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2023 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.