diff --git a/ZNCConfig.cmake.in b/ZNCConfig.cmake.in
index 3e921846..837101b3 100644
--- a/ZNCConfig.cmake.in
+++ b/ZNCConfig.cmake.in
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cmake/copy_csocket_cmd.cmake b/cmake/copy_csocket_cmd.cmake
index fc4f250c..bc49e0a5 100644
--- a/cmake/copy_csocket_cmd.cmake
+++ b/cmake/copy_csocket_cmd.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cmake/gen_version.cmake b/cmake/gen_version.cmake
index e0993e59..0b2be893 100644
--- a/cmake/gen_version.cmake
+++ b/cmake/gen_version.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cmake/perl_check/main.cpp b/cmake/perl_check/main.cpp
index 9d8137fa..e1821aa6 100644
--- a/cmake/perl_check/main.cpp
+++ b/cmake/perl_check/main.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/cmake/render_framed_multiline.cmake b/cmake/render_framed_multiline.cmake
index 16bebdbb..de5a0114 100644
--- a/cmake/render_framed_multiline.cmake
+++ b/cmake/render_framed_multiline.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cmake/translation.cmake b/cmake/translation.cmake
index 7eff7e2f..a845116e 100644
--- a/cmake/translation.cmake
+++ b/cmake/translation.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cmake/translation_tmpl.py b/cmake/translation_tmpl.py
index d1739c91..780eee49 100755
--- a/cmake/translation_tmpl.py
+++ b/cmake/translation_tmpl.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/configure.sh b/configure.sh
index 097c0597..23ad70a2 100755
--- a/configure.sh
+++ b/configure.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index 17003377..ac33dc1e 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/modules/blockuser.cpp b/modules/blockuser.cpp
index 985a0dab..a06ca810 100644
--- a/modules/blockuser.cpp
+++ b/modules/blockuser.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/modules/modperl/codegen.pl b/modules/modperl/codegen.pl
index 66667ba9..2abed5af 100755
--- a/modules/modperl/codegen.pl
+++ b/modules/modperl/codegen.pl
@@ -25,7 +25,7 @@ open my $out, ">", $ARGV[1] or die;
 
 print $out <<'EOF';
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/modules/modpython/codegen.pl b/modules/modpython/codegen.pl
index 2db6d036..6143e8e1 100755
--- a/modules/modpython/codegen.pl
+++ b/modules/modpython/codegen.pl
@@ -27,7 +27,7 @@ open my $out, ">", $ARGV[1] or die;
 
 print $out <<'EOF';
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/po/CMakeLists.txt b/src/po/CMakeLists.txt
index 9b91697a..baddf276 100644
--- a/src/po/CMakeLists.txt
+++ b/src/po/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/test/integration/CMakeLists.txt b/test/integration/CMakeLists.txt
index a6eb3e7e..98ab40f4 100644
--- a/test/integration/CMakeLists.txt
+++ b/test/integration/CMakeLists.txt
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/test/integration/autoconf-all.cpp b/test/integration/autoconf-all.cpp
index ce89941e..d2c7a0eb 100644
--- a/test/integration/autoconf-all.cpp
+++ b/test/integration/autoconf-all.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/integration/framework/base.cpp b/test/integration/framework/base.cpp
index a7ad8058..0a6b15a0 100644
--- a/test/integration/framework/base.cpp
+++ b/test/integration/framework/base.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/integration/framework/base.h b/test/integration/framework/base.h
index 41eba8f2..795c5910 100644
--- a/test/integration/framework/base.h
+++ b/test/integration/framework/base.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/integration/framework/main.cpp b/test/integration/framework/main.cpp
index 65364d6b..710f3659 100644
--- a/test/integration/framework/main.cpp
+++ b/test/integration/framework/main.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/integration/framework/znctest.cpp b/test/integration/framework/znctest.cpp
index abdc9b70..0c4f01e9 100644
--- a/test/integration/framework/znctest.cpp
+++ b/test/integration/framework/znctest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/integration/framework/znctest.h b/test/integration/framework/znctest.h
index 69afb5e8..6a90702e 100644
--- a/test/integration/framework/znctest.h
+++ b/test/integration/framework/znctest.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/integration/tests/core.cpp b/test/integration/tests/core.cpp
index fa927d26..8d8e32c3 100644
--- a/test/integration/tests/core.cpp
+++ b/test/integration/tests/core.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/integration/tests/modules.cpp b/test/integration/tests/modules.cpp
index 0589e246..7fb55bac 100644
--- a/test/integration/tests/modules.cpp
+++ b/test/integration/tests/modules.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/test/integration/tests/scripting.cpp b/test/integration/tests/scripting.cpp
index 3116f832..ddd50f13 100644
--- a/test/integration/tests/scripting.cpp
+++ b/test/integration/tests/scripting.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+ * Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/translation_pot.py b/translation_pot.py
index d86e9dff..6ba8aae5 100755
--- a/translation_pot.py
+++ b/translation_pot.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/znc-buildmod.cmake.in b/znc-buildmod.cmake.in
index e6a55b19..ddd9217b 100755
--- a/znc-buildmod.cmake.in
+++ b/znc-buildmod.cmake.in
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2004-2016 ZNC, see the NOTICE file for details.
+# Copyright (C) 2004-2020 ZNC, see the NOTICE file for details.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.