diff --git a/examples/benchmark/scalability.rb b/examples/benchmark/scalability.rb
index be4ba4e..2205140 100644
--- a/examples/benchmark/scalability.rb
+++ b/examples/benchmark/scalability.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2022, by Samuel Williams.
+# Copyright, 2022-2024, by Samuel Williams.
 
 # gem install async-container
 gem "async-container"
diff --git a/examples/controller.rb b/examples/controller.rb
index 8e3b00d..1a8021a 100755
--- a/examples/controller.rb
+++ b/examples/controller.rb
@@ -3,6 +3,7 @@
 
 # Released under the MIT License.
 # Copyright, 2022, by Anton Sozontov.
+# Copyright, 2024, by Samuel Williams.
 
 require '../lib/async/container/controller'
 
diff --git a/examples/http/client.rb b/examples/http/client.rb
index 856d8b3..f9f5811 100644
--- a/examples/http/client.rb
+++ b/examples/http/client.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2022, by Samuel Williams.
+# Copyright, 2022-2024, by Samuel Williams.
 
 require 'async'
 require 'async/http/endpoint'
diff --git a/examples/http/server.rb b/examples/http/server.rb
index 83a49d4..bc657a0 100644
--- a/examples/http/server.rb
+++ b/examples/http/server.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2022, by Samuel Williams.
+# Copyright, 2022-2024, by Samuel Williams.
 
 require 'async/container'
 
diff --git a/examples/minimal.rb b/examples/minimal.rb
index 742aaf0..da6c1c6 100644
--- a/examples/minimal.rb
+++ b/examples/minimal.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2020-2022, by Samuel Williams.
+# Copyright, 2020-2024, by Samuel Williams.
 # Copyright, 2020, by Olle Jonsson.
 
 class Threaded
diff --git a/gems.rb b/gems.rb
index cd4ecf1..97ff4c7 100644
--- a/gems.rb
+++ b/gems.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2017-2022, by Samuel Williams.
+# Copyright, 2017-2024, by Samuel Williams.
 
 source 'https://rubygems.org'
 
diff --git a/gems/async-head.rb b/gems/async-head.rb
index d6c840e..07519eb 100644
--- a/gems/async-head.rb
+++ b/gems/async-head.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2021-2022, by Samuel Williams.
+# Copyright, 2021-2024, by Samuel Williams.
 
 source 'https://rubygems.org'
 
diff --git a/gems/async-v1.rb b/gems/async-v1.rb
index 3f06b42..26da9af 100644
--- a/gems/async-v1.rb
+++ b/gems/async-v1.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2021-2022, by Samuel Williams.
+# Copyright, 2021-2024, by Samuel Williams.
 
 source 'https://rubygems.org'
 
diff --git a/lib/async/container/controller.rb b/lib/async/container/controller.rb
index 2db6c50..b5fa2c3 100644
--- a/lib/async/container/controller.rb
+++ b/lib/async/container/controller.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2018-2022, by Samuel Williams.
+# Copyright, 2018-2024, by Samuel Williams.
 
 require_relative 'error'
 require_relative 'best'
diff --git a/lib/async/container/generic.rb b/lib/async/container/generic.rb
index 05a4ec9..7907ce1 100644
--- a/lib/async/container/generic.rb
+++ b/lib/async/container/generic.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2019-2022, by Samuel Williams.
+# Copyright, 2019-2024, by Samuel Williams.
 
 require 'async'
 
diff --git a/lib/async/container/group.rb b/lib/async/container/group.rb
index cf9bbed..2f56fb7 100644
--- a/lib/async/container/group.rb
+++ b/lib/async/container/group.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2018-2022, by Samuel Williams.
+# Copyright, 2018-2024, by Samuel Williams.
 
 require 'fiber'
 require 'async/clock'
diff --git a/lib/async/container/process.rb b/lib/async/container/process.rb
index aa24b6f..71b274b 100644
--- a/lib/async/container/process.rb
+++ b/lib/async/container/process.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2020-2022, by Samuel Williams.
+# Copyright, 2020-2024, by Samuel Williams.
 
 require_relative 'channel'
 require_relative 'error'
diff --git a/license.md b/license.md
index d178b01..18e2661 100644
--- a/license.md
+++ b/license.md
@@ -1,6 +1,6 @@
 # MIT License
 
-Copyright, 2017-2022, by Samuel Williams.  
+Copyright, 2017-2024, by Samuel Williams.  
 Copyright, 2019, by Yuji Yaginuma.  
 Copyright, 2020, by Olle Jonsson.  
 Copyright, 2020, by Juan Antonio Martín Lucas.  
diff --git a/test/async/container/forked.rb b/test/async/container/forked.rb
index f4ed5d4..6ed769d 100644
--- a/test/async/container/forked.rb
+++ b/test/async/container/forked.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2018-2022, by Samuel Williams.
+# Copyright, 2018-2024, by Samuel Williams.
 # Copyright, 2020, by Olle Jonsson.
 
 require "async/container"