diff --git a/lib/protocol/http/header/accept.rb b/lib/protocol/http/header/accept.rb
index e6bb42d..d197d36 100644
--- a/lib/protocol/http/header/accept.rb
+++ b/lib/protocol/http/header/accept.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2020-2023, by Samuel Williams.
-# Copyright, 2023, by Thomas Morgan.
+# Copyright, 2025, by Samuel Williams.
 
 require_relative "split"
 require_relative "quoted_string"
diff --git a/lib/protocol/http/header/accept_charset.rb b/lib/protocol/http/header/accept_charset.rb
index e4961bc..2774db6 100644
--- a/lib/protocol/http/header/accept_charset.rb
+++ b/lib/protocol/http/header/accept_charset.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2020-2023, by Samuel Williams.
-# Copyright, 2023, by Thomas Morgan.
+# Copyright, 2025, by Samuel Williams.
 
 require_relative "split"
 require_relative "quoted_string"
diff --git a/lib/protocol/http/header/accept_encoding.rb b/lib/protocol/http/header/accept_encoding.rb
index 13f5391..898ea96 100644
--- a/lib/protocol/http/header/accept_encoding.rb
+++ b/lib/protocol/http/header/accept_encoding.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2020-2023, by Samuel Williams.
-# Copyright, 2023, by Thomas Morgan.
+# Copyright, 2025, by Samuel Williams.
 
 require_relative "split"
 require_relative "quoted_string"
diff --git a/lib/protocol/http/header/accept_language.rb b/lib/protocol/http/header/accept_language.rb
index 5daff42..b9e8b46 100644
--- a/lib/protocol/http/header/accept_language.rb
+++ b/lib/protocol/http/header/accept_language.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2020-2023, by Samuel Williams.
-# Copyright, 2023, by Thomas Morgan.
+# Copyright, 2025, by Samuel Williams.
 
 require_relative "split"
 require_relative "quoted_string"
diff --git a/lib/protocol/http/header/quoted_string.rb b/lib/protocol/http/header/quoted_string.rb
index c17bbda..1ba4f33 100644
--- a/lib/protocol/http/header/quoted_string.rb
+++ b/lib/protocol/http/header/quoted_string.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2016-2024, by Samuel Williams.
+# Copyright, 2025, by Samuel Williams.
 
 module Protocol
 	module HTTP
diff --git a/lib/protocol/http/headers.rb b/lib/protocol/http/headers.rb
index 3f810e0..3eae025 100644
--- a/lib/protocol/http/headers.rb
+++ b/lib/protocol/http/headers.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2018-2024, by Samuel Williams.
+# Copyright, 2018-2025, by Samuel Williams.
 
 require_relative "header/split"
 require_relative "header/multiple"
diff --git a/test/protocol/http/header/accept.rb b/test/protocol/http/header/accept.rb
index f4ad946..3aa9593 100644
--- a/test/protocol/http/header/accept.rb
+++ b/test/protocol/http/header/accept.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2016, by Matthew Kerwin.
-# Copyright, 2017-2024, by Samuel Williams.
+# Copyright, 2025, by Samuel Williams.
 
 require 'protocol/http/header/accept'
 	
diff --git a/test/protocol/http/header/accept_charset.rb b/test/protocol/http/header/accept_charset.rb
index 3ca50d3..d26bd7f 100644
--- a/test/protocol/http/header/accept_charset.rb
+++ b/test/protocol/http/header/accept_charset.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2016, by Matthew Kerwin.
-# Copyright, 2017-2024, by Samuel Williams.
+# Copyright, 2025, by Samuel Williams.
 
 require 'protocol/http/header/accept_charset'
 	
diff --git a/test/protocol/http/header/accept_encoding.rb b/test/protocol/http/header/accept_encoding.rb
index 80bc784..a5f8908 100644
--- a/test/protocol/http/header/accept_encoding.rb
+++ b/test/protocol/http/header/accept_encoding.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2016, by Matthew Kerwin.
-# Copyright, 2017-2024, by Samuel Williams.
+# Copyright, 2025, by Samuel Williams.
 
 require 'protocol/http/header/accept_encoding'
 	
diff --git a/test/protocol/http/header/accept_language.rb b/test/protocol/http/header/accept_language.rb
index f627953..e094d40 100644
--- a/test/protocol/http/header/accept_language.rb
+++ b/test/protocol/http/header/accept_language.rb
@@ -1,8 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2016, by Matthew Kerwin.
-# Copyright, 2017-2024, by Samuel Williams.
+# Copyright, 2025, by Samuel Williams.
 
 require 'protocol/http/header/accept_language'