diff --git a/cli/executor.cpp b/cli/executor.cpp
index 67f84e28d..7185db07b 100644
--- a/cli/executor.cpp
+++ b/cli/executor.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/cli/executor.h b/cli/executor.h
index efb4a9559..f8f010c2d 100644
--- a/cli/executor.h
+++ b/cli/executor.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/aboutdialog.h b/gui/aboutdialog.h
index 210c36007..7e46839d7 100644
--- a/gui/aboutdialog.h
+++ b/gui/aboutdialog.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/applicationdialog.cpp b/gui/applicationdialog.cpp
index 242d3aa97..bc8804d6f 100644
--- a/gui/applicationdialog.cpp
+++ b/gui/applicationdialog.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/applicationdialog.h b/gui/applicationdialog.h
index 09e950761..4bc68bf5b 100644
--- a/gui/applicationdialog.h
+++ b/gui/applicationdialog.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/applicationlist.cpp b/gui/applicationlist.cpp
index 58a8b673d..03079b1d7 100644
--- a/gui/applicationlist.cpp
+++ b/gui/applicationlist.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/applicationlist.h b/gui/applicationlist.h
index 7e8a4cba7..d7885a8bc 100644
--- a/gui/applicationlist.h
+++ b/gui/applicationlist.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/checkstatistics.cpp b/gui/checkstatistics.cpp
index 2a897bc75..dc92b4c7a 100644
--- a/gui/checkstatistics.cpp
+++ b/gui/checkstatistics.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/checkstatistics.h b/gui/checkstatistics.h
index a2f208e49..f487c39c8 100644
--- a/gui/checkstatistics.h
+++ b/gui/checkstatistics.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/codeeditorstyle.h b/gui/codeeditorstyle.h
index bae2e66b1..aee3d028c 100644
--- a/gui/codeeditorstyle.h
+++ b/gui/codeeditorstyle.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/codeeditstyledialog.cpp b/gui/codeeditstyledialog.cpp
index 355b336dd..3b98a9282 100644
--- a/gui/codeeditstyledialog.cpp
+++ b/gui/codeeditstyledialog.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/codeeditstyledialog.h b/gui/codeeditstyledialog.h
index d275528ea..9ef42907b 100644
--- a/gui/codeeditstyledialog.h
+++ b/gui/codeeditstyledialog.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/common.cpp b/gui/common.cpp
index 61b494a94..68b202178 100644
--- a/gui/common.cpp
+++ b/gui/common.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/csvreport.cpp b/gui/csvreport.cpp
index 9c19f0491..36da50bbd 100644
--- a/gui/csvreport.cpp
+++ b/gui/csvreport.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/filelist.h b/gui/filelist.h
index 3e26e43e6..6e685e861 100644
--- a/gui/filelist.h
+++ b/gui/filelist.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2021 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/fileviewdialog.cpp b/gui/fileviewdialog.cpp
index acd2db740..bebb1f656 100644
--- a/gui/fileviewdialog.cpp
+++ b/gui/fileviewdialog.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/fileviewdialog.h b/gui/fileviewdialog.h
index 1f8fd0c82..91c455eb8 100644
--- a/gui/fileviewdialog.h
+++ b/gui/fileviewdialog.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/helpdialog.cpp b/gui/helpdialog.cpp
index cc2ec22c1..80f7d900f 100644
--- a/gui/helpdialog.cpp
+++ b/gui/helpdialog.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/helpdialog.h b/gui/helpdialog.h
index cb5979116..a5dc0b430 100644
--- a/gui/helpdialog.h
+++ b/gui/helpdialog.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/libraryaddfunctiondialog.cpp b/gui/libraryaddfunctiondialog.cpp
index e4f55942f..225176b00 100644
--- a/gui/libraryaddfunctiondialog.cpp
+++ b/gui/libraryaddfunctiondialog.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/libraryaddfunctiondialog.h b/gui/libraryaddfunctiondialog.h
index 527bdd81b..d39666def 100644
--- a/gui/libraryaddfunctiondialog.h
+++ b/gui/libraryaddfunctiondialog.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/newsuppressiondialog.h b/gui/newsuppressiondialog.h
index f5fa57b2e..ac9aca468 100644
--- a/gui/newsuppressiondialog.h
+++ b/gui/newsuppressiondialog.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/platforms.cpp b/gui/platforms.cpp
index d760f8e1e..ce5f1c62d 100644
--- a/gui/platforms.cpp
+++ b/gui/platforms.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/platforms.h b/gui/platforms.h
index 57954b86a..0693615f5 100644
--- a/gui/platforms.h
+++ b/gui/platforms.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/printablereport.cpp b/gui/printablereport.cpp
index 152beaa05..9bcfff55c 100644
--- a/gui/printablereport.cpp
+++ b/gui/printablereport.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/printablereport.h b/gui/printablereport.h
index deda122ee..29fa008bf 100644
--- a/gui/printablereport.h
+++ b/gui/printablereport.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/scratchpad.cpp b/gui/scratchpad.cpp
index 0bf8ba08c..6258df730 100644
--- a/gui/scratchpad.cpp
+++ b/gui/scratchpad.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/scratchpad.h b/gui/scratchpad.h
index 5fafe397a..bd75afe93 100644
--- a/gui/scratchpad.h
+++ b/gui/scratchpad.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/statsdialog.h b/gui/statsdialog.h
index b3d2cc827..1b7f41d0e 100644
--- a/gui/statsdialog.h
+++ b/gui/statsdialog.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/translationhandler.h b/gui/translationhandler.h
index 65d9dc3f1..66effc5ed 100644
--- a/gui/translationhandler.h
+++ b/gui/translationhandler.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/txtreport.cpp b/gui/txtreport.cpp
index 4006c6808..1be394434 100644
--- a/gui/txtreport.cpp
+++ b/gui/txtreport.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/txtreport.h b/gui/txtreport.h
index a693bbc4b..02395cc44 100644
--- a/gui/txtreport.h
+++ b/gui/txtreport.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/xmlreportv2.cpp b/gui/xmlreportv2.cpp
index 9a947690c..e6b199398 100644
--- a/gui/xmlreportv2.cpp
+++ b/gui/xmlreportv2.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/gui/xmlreportv2.h b/gui/xmlreportv2.h
index 1763e669b..e09e64692 100644
--- a/gui/xmlreportv2.h
+++ b/gui/xmlreportv2.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/checkexceptionsafety.h b/lib/checkexceptionsafety.h
index 6a5d5f76d..6f90b881c 100644
--- a/lib/checkexceptionsafety.h
+++ b/lib/checkexceptionsafety.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/color.cpp b/lib/color.cpp
index 519e1a2aa..a8f10462e 100644
--- a/lib/color.cpp
+++ b/lib/color.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/color.h b/lib/color.h
index 97115ca62..dfd47b567 100644
--- a/lib/color.h
+++ b/lib/color.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2021 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/forwardanalyzer.h b/lib/forwardanalyzer.h
index 4296d6f1f..16c01011d 100644
--- a/lib/forwardanalyzer.h
+++ b/lib/forwardanalyzer.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2021 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/mathlib.h b/lib/mathlib.h
index 1ed77f06c..709fb0e0b 100644
--- a/lib/mathlib.h
+++ b/lib/mathlib.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/pathanalysis.h b/lib/pathanalysis.h
index bc51093b2..94c3318a8 100644
--- a/lib/pathanalysis.h
+++ b/lib/pathanalysis.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/precompiled.h b/lib/precompiled.h
index 6dcee4197..872dd00e9 100644
--- a/lib/precompiled.h
+++ b/lib/precompiled.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/preprocessor.h b/lib/preprocessor.h
index a64ebdfb5..fdc63ed72 100644
--- a/lib/preprocessor.h
+++ b/lib/preprocessor.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/reverseanalyzer.h b/lib/reverseanalyzer.h
index db80d3ada..801b6276c 100644
--- a/lib/reverseanalyzer.h
+++ b/lib/reverseanalyzer.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2021 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/templatesimplifier.h b/lib/templatesimplifier.h
index b0e373bf3..23dad621b 100644
--- a/lib/templatesimplifier.h
+++ b/lib/templatesimplifier.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/lib/timer.h b/lib/timer.h
index 7fa8ffad8..4bd8884c2 100644
--- a/lib/timer.h
+++ b/lib/timer.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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/test/helpers.cpp b/test/helpers.cpp
index 8d818f644..9c86d7320 100644
--- a/test/helpers.cpp
+++ b/test/helpers.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2022 Cppcheck team.
+ * Copyright (C) 2007-2023 Cppcheck team.
  *
  * 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