diff --git a/javascript/index.ts b/javascript/index.ts
index 3b86b52..f1470d0 100644
--- a/javascript/index.ts
+++ b/javascript/index.ts
@@ -1 +1,8 @@
+/*******************************************************************************
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
+
+ This project is free to use.
+ All the right is reserved to the author of this project.
+ ******************************************************************************/
+
 export * from "./src/index"
diff --git a/javascript/jest.config.ts b/javascript/jest.config.ts
index 1d428ac..9e20538 100644
--- a/javascript/jest.config.ts
+++ b/javascript/jest.config.ts
@@ -1,3 +1,10 @@
+/*******************************************************************************
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
+
+ This project is free to use.
+ All the right is reserved to the author of this project.
+ ******************************************************************************/
+
 import type {Config} from "jest"
 
 /*
diff --git a/javascript/src/CommonLazy.ts b/javascript/src/CommonLazy.ts
index f4ddc99..417c982 100644
--- a/javascript/src/CommonLazy.ts
+++ b/javascript/src/CommonLazy.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/src/InitializedLazy.ts b/javascript/src/InitializedLazy.ts
index d654e95..37fa57c 100644
--- a/javascript/src/InitializedLazy.ts
+++ b/javascript/src/InitializedLazy.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/src/Lazy.ts b/javascript/src/Lazy.ts
index 97769e3..5008e7b 100644
--- a/javascript/src/Lazy.ts
+++ b/javascript/src/Lazy.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/src/LazyImplementation.ts b/javascript/src/LazyImplementation.ts
index 9eb2104..a046dc3 100644
--- a/javascript/src/LazyImplementation.ts
+++ b/javascript/src/LazyImplementation.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/src/index.ts b/javascript/src/index.ts
index 2d48eab..c6e3b64 100644
--- a/javascript/src/index.ts
+++ b/javascript/src/index.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/src/method/lazy.ts b/javascript/src/method/lazy.ts
index 095cb11..723bc41 100644
--- a/javascript/src/method/lazy.ts
+++ b/javascript/src/method/lazy.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/src/method/lazyOf.ts b/javascript/src/method/lazyOf.ts
index b9a96ff..476cc5b 100644
--- a/javascript/src/method/lazyOf.ts
+++ b/javascript/src/method/lazyOf.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/test/Holder.ts b/javascript/test/Holder.ts
index b1f2056..fdba548 100644
--- a/javascript/test/Holder.ts
+++ b/javascript/test/Holder.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/test/InitializedLazy.test.ts b/javascript/test/InitializedLazy.test.ts
index 798bddd..2de27e9 100644
--- a/javascript/test/InitializedLazy.test.ts
+++ b/javascript/test/InitializedLazy.test.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
@@ -28,4 +28,4 @@ describe("InitializedLazyTest", () => {
             },)
         })
     },)
-},)
\ No newline at end of file
+},)
diff --git a/javascript/test/LazyImplementation.test.ts b/javascript/test/LazyImplementation.test.ts
index 239f718..d9eed40 100644
--- a/javascript/test/LazyImplementation.test.ts
+++ b/javascript/test/LazyImplementation.test.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/test/constants.ts b/javascript/test/constants.ts
index 464baee..488ba55 100644
--- a/javascript/test/constants.ts
+++ b/javascript/test/constants.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.
diff --git a/javascript/test/jestExtended.d.ts b/javascript/test/jestExtended.d.ts
index edf491c..0c85c80 100644
--- a/javascript/test/jestExtended.d.ts
+++ b/javascript/test/jestExtended.d.ts
@@ -1,5 +1,5 @@
 /*******************************************************************************
- Copyright (c) 2023. Jonathan Bédard ~ JóôòKiwi
+ Copyright (c) 2023-2024. Jonathan Bédard ~ JóôòKiwi
 
  This project is free to use.
  All the right is reserved to the author of this project.