diff --git a/src/main/java/com/googlecode/htmlcompressor/taglib/CssCompressorTag.java b/src/main/java/com/googlecode/htmlcompressor/taglib/CssCompressorTag.java
index 92a245a..6d6679d 100644
--- a/src/main/java/com/googlecode/htmlcompressor/taglib/CssCompressorTag.java
+++ b/src/main/java/com/googlecode/htmlcompressor/taglib/CssCompressorTag.java
@@ -1,5 +1,5 @@
 /*
- *    Copyright 2009-2022 the original author or authors.
+ *    Copyright 2009-2023 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/src/main/java/com/googlecode/htmlcompressor/taglib/HtmlCompressorTag.java b/src/main/java/com/googlecode/htmlcompressor/taglib/HtmlCompressorTag.java
index 29fac15..5f6a76d 100644
--- a/src/main/java/com/googlecode/htmlcompressor/taglib/HtmlCompressorTag.java
+++ b/src/main/java/com/googlecode/htmlcompressor/taglib/HtmlCompressorTag.java
@@ -1,5 +1,5 @@
 /*
- *    Copyright 2009-2022 the original author or authors.
+ *    Copyright 2009-2023 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/src/main/java/com/googlecode/htmlcompressor/taglib/JavaScriptCompressorTag.java b/src/main/java/com/googlecode/htmlcompressor/taglib/JavaScriptCompressorTag.java
index 37adf84..0a00677 100644
--- a/src/main/java/com/googlecode/htmlcompressor/taglib/JavaScriptCompressorTag.java
+++ b/src/main/java/com/googlecode/htmlcompressor/taglib/JavaScriptCompressorTag.java
@@ -1,5 +1,5 @@
 /*
- *    Copyright 2009-2022 the original author or authors.
+ *    Copyright 2009-2023 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/src/main/java/com/googlecode/htmlcompressor/taglib/XmlCompressorTag.java b/src/main/java/com/googlecode/htmlcompressor/taglib/XmlCompressorTag.java
index 4f1a0f3..d330e22 100644
--- a/src/main/java/com/googlecode/htmlcompressor/taglib/XmlCompressorTag.java
+++ b/src/main/java/com/googlecode/htmlcompressor/taglib/XmlCompressorTag.java
@@ -1,5 +1,5 @@
 /*
- *    Copyright 2009-2022 the original author or authors.
+ *    Copyright 2009-2023 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.