diff --git a/LICENSE b/LICENSE
index c84ada6..386ad8d 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2008-2022, Dave Benson and the protobuf-c authors.
+Copyright (c) 2008-2023, Dave Benson and the protobuf-c authors.
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/protobuf-c/protobuf-c.c b/protobuf-c/protobuf-c.c
index 4b8b3f2..776ee4f 100644
--- a/protobuf-c/protobuf-c.c
+++ b/protobuf-c/protobuf-c.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2022, Dave Benson and the protobuf-c authors.
+ * Copyright (c) 2008-2023, Dave Benson and the protobuf-c authors.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/protobuf-c/protobuf-c.h b/protobuf-c/protobuf-c.h
index 5fa52da..9937dc5 100755
--- a/protobuf-c/protobuf-c.h
+++ b/protobuf-c/protobuf-c.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008-2022, Dave Benson and the protobuf-c authors.
+ * Copyright (c) 2008-2023, Dave Benson and the protobuf-c authors.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without