diff --git a/include/keygen/KeyGen.h b/include/keygen/KeyGen.h
index 6d21419..bdd9347 100644
--- a/include/keygen/KeyGen.h
+++ b/include/keygen/KeyGen.h
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/include/keygen/Options.h b/include/keygen/Options.h
index 68ea48c..b8686f4 100644
--- a/include/keygen/Options.h
+++ b/include/keygen/Options.h
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/include/keygen/Output.h b/include/keygen/Output.h
index 88665cc..8e1731b 100644
--- a/include/keygen/Output.h
+++ b/include/keygen/Output.h
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/src/Main.c b/src/Main.c
index 3b29505..895c60f 100644
--- a/src/Main.c
+++ b/src/Main.c
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/src/Options.c b/src/Options.c
index 35be725..73cccc1 100644
--- a/src/Options.c
+++ b/src/Options.c
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/src/Output.c b/src/Output.c
index d0abac3..9eb715f 100644
--- a/src/Output.c
+++ b/src/Output.c
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
@@ -126,7 +126,7 @@ void printVersion(void)
     printHead();
     printf("\n License :   GNU General Public License (GPL)\n");
     printf("   Keygen is program to generate key's and passwords."
-           "\n   Copyright (C) 2014-2025  offa"
+           "\n   Copyright (C) 2014-2026  offa"
            "\n"
            "\n   This program is free software: you can redistribute it and/or modify"
            "\n   it under the terms of the GNU General Public License as published by"
diff --git a/src/keygen/KeyGen.c b/src/keygen/KeyGen.c
index 997c461..c449475 100644
--- a/src/keygen/KeyGen.c
+++ b/src/keygen/KeyGen.c
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/test/ArgumentTest.cpp b/test/ArgumentTest.cpp
index 9f8ba30..9b44cd9 100644
--- a/test/ArgumentTest.cpp
+++ b/test/ArgumentTest.cpp
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/test/DataTest.cpp b/test/DataTest.cpp
index 45a6f50..e0e0e14 100644
--- a/test/DataTest.cpp
+++ b/test/DataTest.cpp
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/test/FormatTest.cpp b/test/FormatTest.cpp
index f7b6278..af20d50 100644
--- a/test/FormatTest.cpp
+++ b/test/FormatTest.cpp
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/test/MemoryTest.cpp b/test/MemoryTest.cpp
index f41d24e..5dc55c6 100644
--- a/test/MemoryTest.cpp
+++ b/test/MemoryTest.cpp
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/test/MockedTest.cpp b/test/MockedTest.cpp
index 3de06bb..8ea6835 100644
--- a/test/MockedTest.cpp
+++ b/test/MockedTest.cpp
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/test/OptionsTest.cpp b/test/OptionsTest.cpp
index c5fa38b..9cb98e3 100644
--- a/test/OptionsTest.cpp
+++ b/test/OptionsTest.cpp
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *
diff --git a/test/TestUtil.h b/test/TestUtil.h
index c4ac55b..8d633b0 100644
--- a/test/TestUtil.h
+++ b/test/TestUtil.h
@@ -1,6 +1,6 @@
 /*
  * KeyGen is a key- and password generator.
- * Copyright (C) 2014-2025  offa
+ * Copyright (C) 2014-2026  offa
  *
  * This file is part of KeyGen.
  *