diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..24f377e
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/src/main/java/com/github/tonivade/vavr/effect/Fiber.java b/src/main/java/com/github/tonivade/vavr/effect/Fiber.java
index d934c88..3afe2ec 100644
--- a/src/main/java/com/github/tonivade/vavr/effect/Fiber.java
+++ b/src/main/java/com/github/tonivade/vavr/effect/Fiber.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
@@ -7,12 +7,12 @@
 public sealed interface Fiber<T> {
 
   IO<T> join();
-  
+
   IO<Unit> cancel();
-  
+
   static <T> Fiber<T> of(IO<T> join, IO<Unit> cancel) {
     return new FiberImpl<>(join, cancel);
   }
-  
+
   record FiberImpl<T>(IO<T> join, IO<Unit> cancel) implements Fiber<T> {}
 }
\ No newline at end of file
diff --git a/src/main/java/com/github/tonivade/vavr/effect/IO.java b/src/main/java/com/github/tonivade/vavr/effect/IO.java
index 4f13d46..90073c4 100644
--- a/src/main/java/com/github/tonivade/vavr/effect/IO.java
+++ b/src/main/java/com/github/tonivade/vavr/effect/IO.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
diff --git a/src/main/java/com/github/tonivade/vavr/effect/Reference.java b/src/main/java/com/github/tonivade/vavr/effect/Reference.java
index ce66193..c5d86ee 100644
--- a/src/main/java/com/github/tonivade/vavr/effect/Reference.java
+++ b/src/main/java/com/github/tonivade/vavr/effect/Reference.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
diff --git a/src/main/java/com/github/tonivade/vavr/effect/Resource.java b/src/main/java/com/github/tonivade/vavr/effect/Resource.java
index 0c81b47..2c438ae 100644
--- a/src/main/java/com/github/tonivade/vavr/effect/Resource.java
+++ b/src/main/java/com/github/tonivade/vavr/effect/Resource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
diff --git a/src/main/java/com/github/tonivade/vavr/effect/Schedule.java b/src/main/java/com/github/tonivade/vavr/effect/Schedule.java
index 0011700..176f20e 100644
--- a/src/main/java/com/github/tonivade/vavr/effect/Schedule.java
+++ b/src/main/java/com/github/tonivade/vavr/effect/Schedule.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
diff --git a/src/main/java/com/github/tonivade/vavr/effect/Unit.java b/src/main/java/com/github/tonivade/vavr/effect/Unit.java
index 11b3583..dce2be9 100644
--- a/src/main/java/com/github/tonivade/vavr/effect/Unit.java
+++ b/src/main/java/com/github/tonivade/vavr/effect/Unit.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
diff --git a/src/test/java/com/github/tonivade/vavr/effect/IOTest.java b/src/test/java/com/github/tonivade/vavr/effect/IOTest.java
index 70452b1..6fc39d2 100644
--- a/src/test/java/com/github/tonivade/vavr/effect/IOTest.java
+++ b/src/test/java/com/github/tonivade/vavr/effect/IOTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
diff --git a/src/test/java/com/github/tonivade/vavr/effect/RefeferenceTest.java b/src/test/java/com/github/tonivade/vavr/effect/RefeferenceTest.java
index 9f223f0..16d8744 100644
--- a/src/test/java/com/github/tonivade/vavr/effect/RefeferenceTest.java
+++ b/src/test/java/com/github/tonivade/vavr/effect/RefeferenceTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
diff --git a/src/test/java/com/github/tonivade/vavr/effect/ResourceTest.java b/src/test/java/com/github/tonivade/vavr/effect/ResourceTest.java
index baff066..59884a3 100644
--- a/src/test/java/com/github/tonivade/vavr/effect/ResourceTest.java
+++ b/src/test/java/com/github/tonivade/vavr/effect/ResourceTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;
diff --git a/src/test/java/com/github/tonivade/vavr/effect/ScheduleTest.java b/src/test/java/com/github/tonivade/vavr/effect/ScheduleTest.java
index e604c76..7cdd9fa 100644
--- a/src/test/java/com/github/tonivade/vavr/effect/ScheduleTest.java
+++ b/src/test/java/com/github/tonivade/vavr/effect/ScheduleTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
+ * Copyright (c) 2024, Antonio Gabriel Muñoz Conejo <antoniogmc at gmail dot com>
  * Distributed under the terms of the MIT License
  */
 package com.github.tonivade.vavr.effect;