diff --git a/src/math/fixed.hpp b/src/math/fixed.hpp
index c39a0aba6..01a6b8756 100644
--- a/src/math/fixed.hpp
+++ b/src/math/fixed.hpp
@@ -1,6 +1,7 @@
 // DR. ROBOTNIK'S RING RACERS
 //-----------------------------------------------------------------------------
-// Copyright (C) 2023 by James Robert Roman
+// Copyright (C) 2024 by James Robert Roman
+// Copyright (C) 2024 by Kart Krew
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/math/line_equation.hpp b/src/math/line_equation.hpp
index ec4b69d52..beedd2cec 100644
--- a/src/math/line_equation.hpp
+++ b/src/math/line_equation.hpp
@@ -1,6 +1,7 @@
 // DR. ROBOTNIK'S RING RACERS
 //-----------------------------------------------------------------------------
-// Copyright (C) 2023 by James Robert Roman
+// Copyright (C) 2024 by James Robert Roman
+// Copyright (C) 2024 by Kart Krew
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/math/line_segment.hpp b/src/math/line_segment.hpp
index 0094acf60..9e63902e8 100644
--- a/src/math/line_segment.hpp
+++ b/src/math/line_segment.hpp
@@ -1,6 +1,7 @@
 // DR. ROBOTNIK'S RING RACERS
 //-----------------------------------------------------------------------------
-// Copyright (C) 2023 by James Robert Roman
+// Copyright (C) 2024 by James Robert Roman
+// Copyright (C) 2024 by Kart Krew
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/math/traits.hpp b/src/math/traits.hpp
index fbb6aaa5b..43ec8905d 100644
--- a/src/math/traits.hpp
+++ b/src/math/traits.hpp
@@ -1,6 +1,7 @@
 // DR. ROBOTNIK'S RING RACERS
 //-----------------------------------------------------------------------------
-// Copyright (C) 2023 by James Robert Roman
+// Copyright (C) 2024 by James Robert Roman
+// Copyright (C) 2024 by Kart Krew
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/math/vec.hpp b/src/math/vec.hpp
index 935725b3c..73023d484 100644
--- a/src/math/vec.hpp
+++ b/src/math/vec.hpp
@@ -1,6 +1,7 @@
 // DR. ROBOTNIK'S RING RACERS
 //-----------------------------------------------------------------------------
-// Copyright (C) 2023 by James Robert Roman
+// Copyright (C) 2024 by James Robert Roman
+// Copyright (C) 2024 by Kart Krew
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.