diff --git a/include/aes.h b/include/aes.h
index 7a1e37d..a43997e 100644
--- a/include/aes.h
+++ b/include/aes.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/include/cc20.h b/include/cc20.h
index 8dc4fe8..1030d51 100644
--- a/include/cc20.h
+++ b/include/cc20.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/include/edge_utils_win32.h b/include/edge_utils_win32.h
index ac1d95b..5ee812f 100644
--- a/include/edge_utils_win32.h
+++ b/include/edge_utils_win32.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/include/n2n_regex.h b/include/n2n_regex.h
index 1cc081b..9ac409c 100644
--- a/include/n2n_regex.h
+++ b/include/n2n_regex.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/include/network_traffic_filter.h b/include/network_traffic_filter.h
index 0bdf193..97de7ec 100644
--- a/include/network_traffic_filter.h
+++ b/include/network_traffic_filter.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/include/random_numbers.h b/include/random_numbers.h
index 96b0f81..0863f91 100644
--- a/include/random_numbers.h
+++ b/include/random_numbers.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/include/sn_selection.h b/include/sn_selection.h
index 16bb604..54789ab 100644
--- a/include/sn_selection.h
+++ b/include/sn_selection.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/include/speck.h b/include/speck.h
index 1c19f90..7248eae 100644
--- a/include/speck.h
+++ b/include/speck.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/include/tf.h b/include/tf.h
index 68e5253..e9353bb 100644
--- a/include/tf.h
+++ b/include/tf.h
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/aes.c b/src/aes.c
index 510d674..d5e18ef 100644
--- a/src/aes.c
+++ b/src/aes.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/cc20.c b/src/cc20.c
index 24fd536..3df6584 100644
--- a/src/cc20.c
+++ b/src/cc20.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/edge_utils_win32.c b/src/edge_utils_win32.c
index 10305d8..52361aa 100644
--- a/src/edge_utils_win32.c
+++ b/src/edge_utils_win32.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/example_edge_embed.c b/src/example_edge_embed.c
index e981bc0..d42fd54 100644
--- a/src/example_edge_embed.c
+++ b/src/example_edge_embed.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/example_edge_embed_quick_edge_init.c b/src/example_edge_embed_quick_edge_init.c
index e3646b2..729c964 100644
--- a/src/example_edge_embed_quick_edge_init.c
+++ b/src/example_edge_embed_quick_edge_init.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/example_sn_embed.c b/src/example_sn_embed.c
index 9b56f68..dd570c7 100644
--- a/src/example_sn_embed.c
+++ b/src/example_sn_embed.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/n2n_regex.c b/src/n2n_regex.c
index 5827da3..56e47da 100644
--- a/src/n2n_regex.c
+++ b/src/n2n_regex.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/network_traffic_filter.c b/src/network_traffic_filter.c
index 8cf68ef..9ec76a2 100644
--- a/src/network_traffic_filter.c
+++ b/src/network_traffic_filter.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/random_numbers.c b/src/random_numbers.c
index 5454b6c..ee181ac 100644
--- a/src/random_numbers.c
+++ b/src/random_numbers.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/speck.c b/src/speck.c
index 9666607..b969478 100644
--- a/src/speck.c
+++ b/src/speck.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/tf.c b/src/tf.c
index 40f939c..834d33e 100644
--- a/src/tf.c
+++ b/src/tf.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/transform_aes.c b/src/transform_aes.c
index def649b..9a7406a 100644
--- a/src/transform_aes.c
+++ b/src/transform_aes.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/transform_cc20.c b/src/transform_cc20.c
index e1ca8bd..a9e84a9 100644
--- a/src/transform_cc20.c
+++ b/src/transform_cc20.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/transform_null.c b/src/transform_null.c
index a162970..6fd9d5e 100644
--- a/src/transform_null.c
+++ b/src/transform_null.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/transform_speck.c b/src/transform_speck.c
index 9e0c223..2ae794e 100644
--- a/src/transform_speck.c
+++ b/src/transform_speck.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/transform_tf.c b/src/transform_tf.c
index 77fd2d0..144b6ec 100644
--- a/src/transform_tf.c
+++ b/src/transform_tf.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/tuntap_freebsd.c b/src/tuntap_freebsd.c
index ebc5d56..02b99b1 100644
--- a/src/tuntap_freebsd.c
+++ b/src/tuntap_freebsd.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/tuntap_linux.c b/src/tuntap_linux.c
index 99c2620..e50e040 100644
--- a/src/tuntap_linux.c
+++ b/src/tuntap_linux.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/tuntap_netbsd.c b/src/tuntap_netbsd.c
index 9a1277f..088f4a8 100644
--- a/src/tuntap_netbsd.c
+++ b/src/tuntap_netbsd.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/src/tuntap_osx.c b/src/tuntap_osx.c
index 00cc9fd..4ba51af 100644
--- a/src/tuntap_osx.c
+++ b/src/tuntap_osx.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2007-20 - ntop.org and contributors
+ * (C) 2007-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/tools/n2n_decode.c b/tools/n2n_decode.c
index f8ed36e..e0c9a9a 100644
--- a/tools/n2n_decode.c
+++ b/tools/n2n_decode.c
@@ -1,5 +1,5 @@
 /**
- * (C) 2019 - ntop.org and contributors
+ * (C) 2019-21 - ntop.org and contributors
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by