diff --git a/src/main/java/au/com/acegi/xmlformat/AbstractXmlPlugin.java b/src/main/java/au/com/acegi/xmlformat/AbstractXmlPlugin.java
index d8f7500..eb32469 100644
--- a/src/main/java/au/com/acegi/xmlformat/AbstractXmlPlugin.java
+++ b/src/main/java/au/com/acegi/xmlformat/AbstractXmlPlugin.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/au/com/acegi/xmlformat/BlankLinesWriter.java b/src/main/java/au/com/acegi/xmlformat/BlankLinesWriter.java
index 56d62eb..227db41 100644
--- a/src/main/java/au/com/acegi/xmlformat/BlankLinesWriter.java
+++ b/src/main/java/au/com/acegi/xmlformat/BlankLinesWriter.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/au/com/acegi/xmlformat/FormatUtil.java b/src/main/java/au/com/acegi/xmlformat/FormatUtil.java
index b88c3c7..9723bd6 100644
--- a/src/main/java/au/com/acegi/xmlformat/FormatUtil.java
+++ b/src/main/java/au/com/acegi/xmlformat/FormatUtil.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/au/com/acegi/xmlformat/IOUtil.java b/src/main/java/au/com/acegi/xmlformat/IOUtil.java
index f64a65b..675d46e 100644
--- a/src/main/java/au/com/acegi/xmlformat/IOUtil.java
+++ b/src/main/java/au/com/acegi/xmlformat/IOUtil.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/au/com/acegi/xmlformat/LineEnding.java b/src/main/java/au/com/acegi/xmlformat/LineEnding.java
index e612512..1125d3b 100644
--- a/src/main/java/au/com/acegi/xmlformat/LineEnding.java
+++ b/src/main/java/au/com/acegi/xmlformat/LineEnding.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/au/com/acegi/xmlformat/XmlCheckPlugin.java b/src/main/java/au/com/acegi/xmlformat/XmlCheckPlugin.java
index d8b12c0..9365673 100644
--- a/src/main/java/au/com/acegi/xmlformat/XmlCheckPlugin.java
+++ b/src/main/java/au/com/acegi/xmlformat/XmlCheckPlugin.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/au/com/acegi/xmlformat/XmlFormatPlugin.java b/src/main/java/au/com/acegi/xmlformat/XmlFormatPlugin.java
index 4ba14d0..072cf11 100644
--- a/src/main/java/au/com/acegi/xmlformat/XmlFormatPlugin.java
+++ b/src/main/java/au/com/acegi/xmlformat/XmlFormatPlugin.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/au/com/acegi/xmlformat/XmlOutputFormat.java b/src/main/java/au/com/acegi/xmlformat/XmlOutputFormat.java
index 93c5214..1f1cf20 100644
--- a/src/main/java/au/com/acegi/xmlformat/XmlOutputFormat.java
+++ b/src/main/java/au/com/acegi/xmlformat/XmlOutputFormat.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/au/com/acegi/xmlformat/package-info.java b/src/main/java/au/com/acegi/xmlformat/package-info.java
index 42b288a..2c2a0a9 100644
--- a/src/main/java/au/com/acegi/xmlformat/package-info.java
+++ b/src/main/java/au/com/acegi/xmlformat/package-info.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/site/site.xml b/src/site/site.xml
index 4b9829e..9697d16 100644
--- a/src/site/site.xml
+++ b/src/site/site.xml
@@ -3,7 +3,7 @@
   #%L
   XML Format Maven Plugin
   %%
-  Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+  Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
   %%
   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/test/java/au/com/acegi/xmlformat/FormatUtilTest.java b/src/test/java/au/com/acegi/xmlformat/FormatUtilTest.java
index 0ce2fca..7885e0e 100644
--- a/src/test/java/au/com/acegi/xmlformat/FormatUtilTest.java
+++ b/src/test/java/au/com/acegi/xmlformat/FormatUtilTest.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/test/java/au/com/acegi/xmlformat/IOTest.java b/src/test/java/au/com/acegi/xmlformat/IOTest.java
index 3c69032..90dbcce 100644
--- a/src/test/java/au/com/acegi/xmlformat/IOTest.java
+++ b/src/test/java/au/com/acegi/xmlformat/IOTest.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/test/java/au/com/acegi/xmlformat/TestUtil.java b/src/test/java/au/com/acegi/xmlformat/TestUtil.java
index 70c6be3..d268925 100644
--- a/src/test/java/au/com/acegi/xmlformat/TestUtil.java
+++ b/src/test/java/au/com/acegi/xmlformat/TestUtil.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/test/java/au/com/acegi/xmlformat/XmlCheckPluginTest.java b/src/test/java/au/com/acegi/xmlformat/XmlCheckPluginTest.java
index 48559ae..9265643 100644
--- a/src/test/java/au/com/acegi/xmlformat/XmlCheckPluginTest.java
+++ b/src/test/java/au/com/acegi/xmlformat/XmlCheckPluginTest.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/test/java/au/com/acegi/xmlformat/XmlFormatPluginTest.java b/src/test/java/au/com/acegi/xmlformat/XmlFormatPluginTest.java
index 556100f..e3165ac 100644
--- a/src/test/java/au/com/acegi/xmlformat/XmlFormatPluginTest.java
+++ b/src/test/java/au/com/acegi/xmlformat/XmlFormatPluginTest.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * 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/test/java/au/com/acegi/xmlformat/package-info.java b/src/test/java/au/com/acegi/xmlformat/package-info.java
index ca3bd13..c7c21fe 100644
--- a/src/test/java/au/com/acegi/xmlformat/package-info.java
+++ b/src/test/java/au/com/acegi/xmlformat/package-info.java
@@ -2,7 +2,7 @@
  * #%L
  * XML Format Maven Plugin
  * %%
- * Copyright (C) 2011 - 2022 Acegi Technology Pty Limited
+ * Copyright (C) 2011 - 2023 Acegi Technology Pty Limited
  * %%
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.