diff --git a/LICENSE b/LICENSE
index 67061b0..e7dc39c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024 Jon Michael Aanes
+Copyright (c) 2023-2024 Jon Michael Aanes
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index a561368..8357193 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ python -m personal_data
 ```
 MIT License
 
-Copyright (c) 2024 Jon Michael Aanes
+Copyright (c) 2023-2024 Jon Michael Aanes
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/setup.py b/setup.py
index 4398593..778c39d 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ python -m personal_data
 ```
 MIT License
 
-Copyright (c) 2024 Jon Michael Aanes
+Copyright (c) 2023-2024 Jon Michael Aanes
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal