diff --git a/Containerfile b/Containerfile
index 99de5aa..bf21fe9 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,4 +1,4 @@
-# Copyright (C) 2024  Eric Cornelissen
+# Copyright (C) 2023-2024  Eric Cornelissen
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/Containerfile.dev b/Containerfile.dev
index 00b26e1..8cc4f64 100644
--- a/Containerfile.dev
+++ b/Containerfile.dev
@@ -1,6 +1,6 @@
 # MIT No Attribution
 #
-# Copyright (c) 2024 Eric Cornelissen
+# Copyright (c) 2023-2024 Eric Cornelissen
 #
 # 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/analyze.go b/analyze.go
index d812f78..475d93c 100644
--- a/analyze.go
+++ b/analyze.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/analyze_test.go b/analyze_test.go
index 5824be0..235ffb1 100644
--- a/analyze_test.go
+++ b/analyze_test.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/cmd/ades/main.go b/cmd/ades/main.go
index 3d71f6a..049f0cf 100644
--- a/cmd/ades/main.go
+++ b/cmd/ades/main.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/cmd/ades/main_test.go b/cmd/ades/main_test.go
index 86a4e35..e898667 100644
--- a/cmd/ades/main_test.go
+++ b/cmd/ades/main_test.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/doc.go b/doc.go
index 4c7765d..b888119 100644
--- a/doc.go
+++ b/doc.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/mutation_test.go b/mutation_test.go
index 411fc17..6f9bf35 100644
--- a/mutation_test.go
+++ b/mutation_test.go
@@ -1,6 +1,7 @@
 // MIT License
 //
 // Copyright (c) 2022 Guilherme J. Tramontina
+// Copyright (c) 2023-2024 Eric Cornelissen
 //
 // 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/parse.go b/parse.go
index d49a959..2e9ce64 100644
--- a/parse.go
+++ b/parse.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/parse_test.go b/parse_test.go
index 5613bca..c83de38 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/rules.go b/rules.go
index 29478dc..c9c376f 100644
--- a/rules.go
+++ b/rules.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/rules_test.go b/rules_test.go
index a79ba1d..737aec5 100644
--- a/rules_test.go
+++ b/rules_test.go
@@ -1,4 +1,4 @@
-// Copyright (C) 2024  Eric Cornelissen
+// Copyright (C) 2023-2024  Eric Cornelissen
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
diff --git a/tools.go b/tools.go
index 05353fd..994a9ac 100644
--- a/tools.go
+++ b/tools.go
@@ -1,6 +1,6 @@
 // MIT No Attribution
 //
-// Copyright (c) 2024 Eric Cornelissen
+// Copyright (c) 2023-2024 Eric Cornelissen
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal