diff --git a/2019/day01/aoc-c.c b/2019/day01/aoc-c.c
index 40e5abf..fbbd912 100644
--- a/2019/day01/aoc-c.c
+++ b/2019/day01/aoc-c.c
@@ -1,6 +1,6 @@
 /* aoc-c.c: Advent of Code 2019, day 1 parts 1 & 2
  *
- * Copyright (C) 2021 Bruno Raoult ("br")
+ * Copyright (C) 2021-2022 Bruno Raoult ("br")
  * Licensed under the GNU General Public License v3.0 or later.
  * Some rights reserved. See COPYING.
  *
diff --git a/2019/day02/aoc-c.c b/2019/day02/aoc-c.c
index ad9c08f..a88dcef 100644
--- a/2019/day02/aoc-c.c
+++ b/2019/day02/aoc-c.c
@@ -1,6 +1,6 @@
 /* aoc-c.c: Advent of Code 2019, day 2 parts 1 & 2
  *
- * Copyright (C) 2021 Bruno Raoult ("br")
+ * Copyright (C) 2021-2022 Bruno Raoult ("br")
  * Licensed under the GNU General Public License v3.0 or later.
  * Some rights reserved. See COPYING.
  *
diff --git a/2019/day03/aoc-c.c b/2019/day03/aoc-c.c
index fc84ab2..f88becb 100644
--- a/2019/day03/aoc-c.c
+++ b/2019/day03/aoc-c.c
@@ -1,6 +1,6 @@
 /* aoc-c.c: Advent of Code 2019, day 3 parts 1 & 2
  *
- * Copyright (C) 2021 Bruno Raoult ("br")
+ * Copyright (C) 2021-2022 Bruno Raoult ("br")
  * Licensed under the GNU General Public License v3.0 or later.
  * Some rights reserved. See COPYING.
  *
diff --git a/2019/day04/aoc-c.c b/2019/day04/aoc-c.c
index 4df0ce3..0fc3807 100644
--- a/2019/day04/aoc-c.c
+++ b/2019/day04/aoc-c.c
@@ -1,6 +1,6 @@
 /* aoc-c.c: Advent of Code 2019, day 4 parts 1 & 2
  *
- * Copyright (C) 2021 Bruno Raoult ("br")
+ * Copyright (C) 2021-2022 Bruno Raoult ("br")
  * Licensed under the GNU General Public License v3.0 or later.
  * Some rights reserved. See COPYING.
  *
diff --git a/2019/day05/aoc-c.c b/2019/day05/aoc-c.c
index a0fb539..a16ff30 100644
--- a/2019/day05/aoc-c.c
+++ b/2019/day05/aoc-c.c
@@ -1,6 +1,6 @@
 /* aoc-c.c: Advent of Code 2019, day 5 parts 1 & 2
  *
- * Copyright (C) 2021 Bruno Raoult ("br")
+ * Copyright (C) 2021-2022 Bruno Raoult ("br")
  * Licensed under the GNU General Public License v3.0 or later.
  * Some rights reserved. See COPYING.
  *