diff --git a/LICENSE.md b/LICENSE.md
index 58aa428..6b30fb1 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.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
diff --git a/headers/vmath.hpp/vmath_all.hpp b/headers/vmath.hpp/vmath_all.hpp
index 594e0fb..e5b251b 100644
--- a/headers/vmath.hpp/vmath_all.hpp
+++ b/headers/vmath.hpp/vmath_all.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_ext.hpp b/headers/vmath.hpp/vmath_ext.hpp
index 5ddf0ec..f85e8a1 100644
--- a/headers/vmath.hpp/vmath_ext.hpp
+++ b/headers/vmath.hpp/vmath_ext.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_fun.hpp b/headers/vmath.hpp/vmath_fun.hpp
index dcfdd20..8c66aac 100644
--- a/headers/vmath.hpp/vmath_fun.hpp
+++ b/headers/vmath.hpp/vmath_fun.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_fwd.hpp b/headers/vmath.hpp/vmath_fwd.hpp
index be38c90..abb01b5 100644
--- a/headers/vmath.hpp/vmath_fwd.hpp
+++ b/headers/vmath.hpp/vmath_fwd.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_mat.hpp b/headers/vmath.hpp/vmath_mat.hpp
index 6c6113b..1cbe9f9 100644
--- a/headers/vmath.hpp/vmath_mat.hpp
+++ b/headers/vmath.hpp/vmath_mat.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_mat_fun.hpp b/headers/vmath.hpp/vmath_mat_fun.hpp
index cf1f6ac..4fcc33a 100644
--- a/headers/vmath.hpp/vmath_mat_fun.hpp
+++ b/headers/vmath.hpp/vmath_mat_fun.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_qua.hpp b/headers/vmath.hpp/vmath_qua.hpp
index 55add54..a7cf71e 100644
--- a/headers/vmath.hpp/vmath_qua.hpp
+++ b/headers/vmath.hpp/vmath_qua.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_qua_fun.hpp b/headers/vmath.hpp/vmath_qua_fun.hpp
index 7d8d56b..5d38be7 100644
--- a/headers/vmath.hpp/vmath_qua_fun.hpp
+++ b/headers/vmath.hpp/vmath_qua_fun.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_vec.hpp b/headers/vmath.hpp/vmath_vec.hpp
index fcc3b1e..2a21771 100644
--- a/headers/vmath.hpp/vmath_vec.hpp
+++ b/headers/vmath.hpp/vmath_vec.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/headers/vmath.hpp/vmath_vec_fun.hpp b/headers/vmath.hpp/vmath_vec_fun.hpp
index 61da49e..ec36e60 100644
--- a/headers/vmath.hpp/vmath_vec_fun.hpp
+++ b/headers/vmath.hpp/vmath_vec_fun.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #pragma once
diff --git a/singles/headers/vmath.hpp/vmath_all.hpp b/singles/headers/vmath.hpp/vmath_all.hpp
index 43da892..ef5e54b 100644
--- a/singles/headers/vmath.hpp/vmath_all.hpp
+++ b/singles/headers/vmath.hpp/vmath_all.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include <cmath>
diff --git a/untests/vmath_ext_tests.cpp b/untests/vmath_ext_tests.cpp
index c6e4187..d1f0418 100644
--- a/untests/vmath_ext_tests.cpp
+++ b/untests/vmath_ext_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"
diff --git a/untests/vmath_fix_tests.cpp b/untests/vmath_fix_tests.cpp
index 75785a7..e013914 100644
--- a/untests/vmath_fix_tests.cpp
+++ b/untests/vmath_fix_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"
diff --git a/untests/vmath_fun_tests.cpp b/untests/vmath_fun_tests.cpp
index 578e41b..01e1b5e 100644
--- a/untests/vmath_fun_tests.cpp
+++ b/untests/vmath_fun_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"
diff --git a/untests/vmath_mat_fun_tests.cpp b/untests/vmath_mat_fun_tests.cpp
index 74d9fa4..7edc62f 100644
--- a/untests/vmath_mat_fun_tests.cpp
+++ b/untests/vmath_mat_fun_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"
diff --git a/untests/vmath_mat_tests.cpp b/untests/vmath_mat_tests.cpp
index 2017a1e..686fe39 100644
--- a/untests/vmath_mat_tests.cpp
+++ b/untests/vmath_mat_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"
diff --git a/untests/vmath_qua_fun_tests.cpp b/untests/vmath_qua_fun_tests.cpp
index d0eec31..ac43dcb 100644
--- a/untests/vmath_qua_fun_tests.cpp
+++ b/untests/vmath_qua_fun_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"
diff --git a/untests/vmath_qua_tests.cpp b/untests/vmath_qua_tests.cpp
index 0b3f03a..ceef79c 100644
--- a/untests/vmath_qua_tests.cpp
+++ b/untests/vmath_qua_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"
diff --git a/untests/vmath_tests.hpp b/untests/vmath_tests.hpp
index bac8b81..2368463 100644
--- a/untests/vmath_tests.hpp
+++ b/untests/vmath_tests.hpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include <vmath.hpp/vmath_all.hpp>
diff --git a/untests/vmath_vec_fun_tests.cpp b/untests/vmath_vec_fun_tests.cpp
index ea0d012..b2808dd 100644
--- a/untests/vmath_vec_fun_tests.cpp
+++ b/untests/vmath_vec_fun_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"
diff --git a/untests/vmath_vec_tests.cpp b/untests/vmath_vec_tests.cpp
index 08bf522..0e1d117 100644
--- a/untests/vmath_vec_tests.cpp
+++ b/untests/vmath_vec_tests.cpp
@@ -1,7 +1,7 @@
 /*******************************************************************************
  * This file is part of the "https://github.com/blackmatov/vmath.hpp"
  * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2020-2022, by Matvey Cherevko (blackmatov@gmail.com)
+ * Copyright (C) 2020-2023, by Matvey Cherevko (blackmatov@gmail.com)
  ******************************************************************************/
 
 #include "vmath_tests.hpp"