diff --git a/spring-web/src/main/java/org/springframework/http/server/reactive/TomcatHeadersAdapter.java b/spring-web/src/main/java/org/springframework/http/server/reactive/TomcatHeadersAdapter.java
index 4a18b40981..ac49e0357f 100644
--- a/spring-web/src/main/java/org/springframework/http/server/reactive/TomcatHeadersAdapter.java
+++ b/spring-web/src/main/java/org/springframework/http/server/reactive/TomcatHeadersAdapter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 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-web/src/main/java/org/springframework/http/support/JettyHeadersAdapter.java b/spring-web/src/main/java/org/springframework/http/support/JettyHeadersAdapter.java
index 921efebcee..f59e507bb6 100644
--- a/spring-web/src/main/java/org/springframework/http/support/JettyHeadersAdapter.java
+++ b/spring-web/src/main/java/org/springframework/http/support/JettyHeadersAdapter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 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-web/src/main/java/org/springframework/http/support/Netty4HeadersAdapter.java b/spring-web/src/main/java/org/springframework/http/support/Netty4HeadersAdapter.java
index 14bcff9889..4a4fa8f578 100644
--- a/spring-web/src/main/java/org/springframework/http/support/Netty4HeadersAdapter.java
+++ b/spring-web/src/main/java/org/springframework/http/support/Netty4HeadersAdapter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 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-web/src/main/java/org/springframework/http/support/Netty5HeadersAdapter.java b/spring-web/src/main/java/org/springframework/http/support/Netty5HeadersAdapter.java
index 869ed15111..79f6750d76 100644
--- a/spring-web/src/main/java/org/springframework/http/support/Netty5HeadersAdapter.java
+++ b/spring-web/src/main/java/org/springframework/http/support/Netty5HeadersAdapter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 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.