diff --git a/Makefile b/Makefile
index 6268cb9..57206e0 100755
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # -*- makefile -*-
 #
-# Copyright (C) 2012-2020  B.A.T.M.A.N. contributors
+# Copyright (C) 2012-2021  B.A.T.M.A.N. contributors
 #
 # License-Filename: LICENSES/preferred/GPL-2.0
 
diff --git a/alfred.h b/alfred.h
index a61365d..8a9d244 100644
--- a/alfred.h
+++ b/alfred.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/batadv_query.c b/batadv_query.c
index 66d3452..410d271 100644
--- a/batadv_query.c
+++ b/batadv_query.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/batadv_query.h b/batadv_query.h
index 291292d..f198de9 100644
--- a/batadv_query.h
+++ b/batadv_query.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2006-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2006-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/batadv_querynl.c b/batadv_querynl.c
index 2793242..d9a6028 100644
--- a/batadv_querynl.c
+++ b/batadv_querynl.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2009-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2009-2021  B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>, Andrew Lunn <andrew@lunn.ch>
  *
diff --git a/batadv_querynl.h b/batadv_querynl.h
index f684ad8..7f969b9 100644
--- a/batadv_querynl.h
+++ b/batadv_querynl.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2009-2021  B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>, Andrew Lunn <andrew@lunn.ch>
  *
diff --git a/batman_adv.h b/batman_adv.h
index bdb317f..27d35e7 100644
--- a/batman_adv.h
+++ b/batman_adv.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: MIT */
-/* Copyright (C) 2016-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2016-2021  B.A.T.M.A.N. contributors:
  *
  * Matthias Schiffer
  */
diff --git a/bitops.h b/bitops.h
index 2333aa4..802fc25 100644
--- a/bitops.h
+++ b/bitops.h
@@ -2,7 +2,7 @@
 /* Minimal Linux-like bit manipulation helper functions
  * (reduced version for alfred)
  *
- * Copyright (c) 2012-2020, Sven Eckelmann <sven@narfation.org>
+ * Copyright (c) 2012-2021, Sven Eckelmann <sven@narfation.org>
  *
  * License-Filename: LICENSES/preferred/MIT
  */
diff --git a/client.c b/client.c
index b19887d..bd38c2f 100644
--- a/client.c
+++ b/client.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/gpsd/Makefile b/gpsd/Makefile
index 0645573..b02404d 100755
--- a/gpsd/Makefile
+++ b/gpsd/Makefile
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # -*- makefile -*-
 #
-# Copyright (C) 2013-2020  B.A.T.M.A.N. contributors
+# Copyright (C) 2013-2021  B.A.T.M.A.N. contributors
 #
 # License-Filename: LICENSES/preferred/GPL-2.0
 
diff --git a/gpsd/alfred-gpsd.c b/gpsd/alfred-gpsd.c
index 47d6a64..ee9e6e8 100644
--- a/gpsd/alfred-gpsd.c
+++ b/gpsd/alfred-gpsd.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2013-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2013-2021  B.A.T.M.A.N. contributors:
  *
  * Andrew Lunn, Simon Wunderlich
  *
diff --git a/gpsd/alfred-gpsd.h b/gpsd/alfred-gpsd.h
index b5452b4..83d65bc 100644
--- a/gpsd/alfred-gpsd.h
+++ b/gpsd/alfred-gpsd.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2013-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2013-2021  B.A.T.M.A.N. contributors:
  *
  * Andrew Lunn, Simon Wunderlich
  *
diff --git a/hash.c b/hash.c
index 82a287e..eb7ff1a 100644
--- a/hash.c
+++ b/hash.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2006-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2006-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/hash.h b/hash.h
index 32a9e57..0ff887a 100644
--- a/hash.h
+++ b/hash.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2006-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2006-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Marek Lindner
  *
diff --git a/main.c b/main.c
index 5ae8187..37cc5eb 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/netlink.c b/netlink.c
index 865ed9f..5470b48 100644
--- a/netlink.c
+++ b/netlink.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2009-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2009-2021  B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>, Andrew Lunn <andrew@lunn.ch>
  *
diff --git a/netlink.h b/netlink.h
index 2964a2b..74c32b5 100644
--- a/netlink.h
+++ b/netlink.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2009-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2009-2021  B.A.T.M.A.N. contributors:
  *
  * Marek Lindner <mareklindner@neomailbox.ch>, Andrew Lunn <andrew@lunn.ch>
  *
diff --git a/netsock.c b/netsock.c
index 9b200d2..28beef1 100644
--- a/netsock.c
+++ b/netsock.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/packet.h b/packet.h
index 81ecbb9..7e91c58 100644
--- a/packet.h
+++ b/packet.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: MIT */
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich, Sven Eckelmann
  *
diff --git a/recv.c b/recv.c
index 744080b..c4ac7e4 100644
--- a/recv.c
+++ b/recv.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/send.c b/send.c
index de530d9..5afe374 100644
--- a/send.c
+++ b/send.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/server.c b/server.c
index 37b11fe..5ea6683 100644
--- a/server.c
+++ b/server.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/unix_sock.c b/unix_sock.c
index 2bbc408..b05b8a2 100644
--- a/unix_sock.c
+++ b/unix_sock.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/util.c b/util.c
index f1dc0dc..c1ee1fa 100644
--- a/util.c
+++ b/util.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/vis/Makefile b/vis/Makefile
index 50c8efb..ab79775 100755
--- a/vis/Makefile
+++ b/vis/Makefile
@@ -2,7 +2,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # -*- makefile -*-
 #
-# Copyright (C) 2013-2020  B.A.T.M.A.N. contributors
+# Copyright (C) 2013-2021  B.A.T.M.A.N. contributors
 #
 # License-Filename: LICENSES/preferred/GPL-2.0
 
diff --git a/vis/vis.c b/vis/vis.c
index 1bb82ab..3b1f37c 100644
--- a/vis/vis.c
+++ b/vis/vis.c
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2013-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2013-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
diff --git a/vis/vis.h b/vis/vis.h
index 6f5b839..8033db6 100644
--- a/vis/vis.h
+++ b/vis/vis.h
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2013-2020  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2013-2021  B.A.T.M.A.N. contributors:
  *
  * Simon Wunderlich
  *
