diff --git a/gui/cppcheck_de.ts b/gui/cppcheck_de.ts
index a6d74ffe24c..ebc3cde2023 100644
--- a/gui/cppcheck_de.ts
+++ b/gui/cppcheck_de.ts
@@ -21,7 +21,7 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
         <translation>Copyright © 2007-%1 Cppcheck-Team.</translation>
     </message>
     <message>
diff --git a/gui/cppcheck_es.ts b/gui/cppcheck_es.ts
index 346481d7608..0be58358fc2 100644
--- a/gui/cppcheck_es.ts
+++ b/gui/cppcheck_es.ts
@@ -21,8 +21,8 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
-        <translation type="unfinished">Copyright © 2007-2019 el equipo de cppcheck.</translation>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
+        <translation type="unfinished">Copyright © 2007-2021 el equipo de cppcheck.</translation>
     </message>
     <message>
         <location filename="about.ui" line="91"/>
diff --git a/gui/cppcheck_fi.ts b/gui/cppcheck_fi.ts
index 531d28062e4..63a616a9964 100644
--- a/gui/cppcheck_fi.ts
+++ b/gui/cppcheck_fi.ts
@@ -21,8 +21,8 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
-        <translation type="unfinished">Copyright (C) 2007-2019 Daniel Marjamäki ja cppcheck tiimi.</translation>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
+        <translation type="unfinished">Copyright (C) 2007-2021 Daniel Marjamäki ja cppcheck tiimi.</translation>
     </message>
     <message>
         <location filename="about.ui" line="91"/>
diff --git a/gui/cppcheck_fr.ts b/gui/cppcheck_fr.ts
index 8645a09e44c..9f87df8c864 100644
--- a/gui/cppcheck_fr.ts
+++ b/gui/cppcheck_fr.ts
@@ -33,7 +33,7 @@ General Public License version 3</translation>
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
         <translation type="unfinished"></translation>
     </message>
     <message>
diff --git a/gui/cppcheck_it.ts b/gui/cppcheck_it.ts
index 9fd47302d2d..697f3b2b39d 100644
--- a/gui/cppcheck_it.ts
+++ b/gui/cppcheck_it.ts
@@ -21,8 +21,8 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
-        <translation type="unfinished">Copyright © 2007-2019 il team Cppcheck.</translation>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
+        <translation type="unfinished">Copyright © 2007-2021 il team Cppcheck.</translation>
     </message>
     <message>
         <location filename="about.ui" line="91"/>
diff --git a/gui/cppcheck_ja.ts b/gui/cppcheck_ja.ts
index 3b68792814a..64456f636b0 100644
--- a/gui/cppcheck_ja.ts
+++ b/gui/cppcheck_ja.ts
@@ -21,7 +21,7 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
         <translation>Copyright © 2007-%1 Cppcheck team.</translation>
     </message>
     <message>
diff --git a/gui/cppcheck_ko.ts b/gui/cppcheck_ko.ts
index 5de5e67e1f2..1200ed15998 100644
--- a/gui/cppcheck_ko.ts
+++ b/gui/cppcheck_ko.ts
@@ -33,7 +33,7 @@ of the GNU General Public License version 3</source>
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
         <translation type="unfinished"></translation>
     </message>
     <message>
diff --git a/gui/cppcheck_nl.ts b/gui/cppcheck_nl.ts
index 3fa44cfce2b..a560daabcaa 100644
--- a/gui/cppcheck_nl.ts
+++ b/gui/cppcheck_nl.ts
@@ -21,8 +21,8 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
-        <translation type="unfinished">Copyright © 2007-2019 het cppcheck team.</translation>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
+        <translation type="unfinished">Copyright © 2007-2021 het cppcheck team.</translation>
     </message>
     <message>
         <location filename="about.ui" line="91"/>
diff --git a/gui/cppcheck_ru.ts b/gui/cppcheck_ru.ts
index 40eae8a5953..2b1d2009895 100644
--- a/gui/cppcheck_ru.ts
+++ b/gui/cppcheck_ru.ts
@@ -21,8 +21,8 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
-        <translation type="unfinished">Copyright © 2007-2019 Cppcheck team.</translation>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
+        <translation type="unfinished">Copyright © 2007-2021 Cppcheck team.</translation>
     </message>
     <message>
         <location filename="about.ui" line="91"/>
diff --git a/gui/cppcheck_sr.ts b/gui/cppcheck_sr.ts
index af9bec0c80a..cd5b2a95fc2 100644
--- a/gui/cppcheck_sr.ts
+++ b/gui/cppcheck_sr.ts
@@ -21,7 +21,7 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
         <translation type="unfinished"></translation>
     </message>
     <message>
diff --git a/gui/cppcheck_sv.ts b/gui/cppcheck_sv.ts
index 55654dedbd5..dc7a87fdee8 100644
--- a/gui/cppcheck_sv.ts
+++ b/gui/cppcheck_sv.ts
@@ -21,8 +21,8 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
-        <translation type="unfinished">Copyright © 2007-2019 Cppcheck team.</translation>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
+        <translation type="unfinished">Copyright © 2007-2021 Cppcheck team.</translation>
     </message>
     <message>
         <location filename="about.ui" line="91"/>
diff --git a/gui/cppcheck_zh_CN.ts b/gui/cppcheck_zh_CN.ts
index afcf26eb8cf..72416c4b891 100644
--- a/gui/cppcheck_zh_CN.ts
+++ b/gui/cppcheck_zh_CN.ts
@@ -21,7 +21,7 @@
     <message>
         <location filename="about.ui" line="81"/>
         <source>Copyright © 2007-%1 Cppcheck team.</source>
-        <oldsource>Copyright © 2007-2019 Cppcheck team.</oldsource>
+        <oldsource>Copyright © 2007-2021 Cppcheck team.</oldsource>
         <translation>版权所有 © 2007-%1 Cppcheck 团队。</translation>
     </message>
     <message>
diff --git a/gui/test/benchmark/simple/benchmarksimple.cpp b/gui/test/benchmark/simple/benchmarksimple.cpp
index de15b2555f9..510cf668577 100644
--- a/gui/test/benchmark/simple/benchmarksimple.cpp
+++ b/gui/test/benchmark/simple/benchmarksimple.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/benchmark/simple/benchmarksimple.h b/gui/test/benchmark/simple/benchmarksimple.h
index 51a7984dcc1..a90a380e790 100644
--- a/gui/test/benchmark/simple/benchmarksimple.h
+++ b/gui/test/benchmark/simple/benchmarksimple.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/data/benchmark/simple.cpp b/gui/test/data/benchmark/simple.cpp
index 5572a20cac1..b1a8bd99ee6 100644
--- a/gui/test/data/benchmark/simple.cpp
+++ b/gui/test/data/benchmark/simple.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/filelist/testfilelist.cpp b/gui/test/filelist/testfilelist.cpp
index dc25d78b8a2..8f496c58c37 100644
--- a/gui/test/filelist/testfilelist.cpp
+++ b/gui/test/filelist/testfilelist.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/filelist/testfilelist.h b/gui/test/filelist/testfilelist.h
index f575b82966a..ac299b818f2 100644
--- a/gui/test/filelist/testfilelist.h
+++ b/gui/test/filelist/testfilelist.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/projectfile/testprojectfile.cpp b/gui/test/projectfile/testprojectfile.cpp
index b0a40a9a7c8..048a491432e 100644
--- a/gui/test/projectfile/testprojectfile.cpp
+++ b/gui/test/projectfile/testprojectfile.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/projectfile/testprojectfile.h b/gui/test/projectfile/testprojectfile.h
index 580c832c2e3..f48faf41e72 100644
--- a/gui/test/projectfile/testprojectfile.h
+++ b/gui/test/projectfile/testprojectfile.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/translationhandler/testtranslationhandler.cpp b/gui/test/translationhandler/testtranslationhandler.cpp
index d59e50b3623..6500b1ec2fc 100644
--- a/gui/test/translationhandler/testtranslationhandler.cpp
+++ b/gui/test/translationhandler/testtranslationhandler.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/translationhandler/testtranslationhandler.h b/gui/test/translationhandler/testtranslationhandler.h
index cfabca32a5f..2c57a3cc2a7 100644
--- a/gui/test/translationhandler/testtranslationhandler.h
+++ b/gui/test/translationhandler/testtranslationhandler.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/xmlreportv2/testxmlreportv2.cpp b/gui/test/xmlreportv2/testxmlreportv2.cpp
index c3b1d6d4c7c..47774c114b2 100644
--- a/gui/test/xmlreportv2/testxmlreportv2.cpp
+++ b/gui/test/xmlreportv2/testxmlreportv2.cpp
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/test/xmlreportv2/testxmlreportv2.h b/gui/test/xmlreportv2/testxmlreportv2.h
index d8e68776760..754f697d35c 100644
--- a/gui/test/xmlreportv2/testxmlreportv2.h
+++ b/gui/test/xmlreportv2/testxmlreportv2.h
@@ -1,6 +1,6 @@
 /*
  * Cppcheck - A tool for static C/C++ code analysis
- * Copyright (C) 2007-2019 Cppcheck team.
+ * Copyright (C) 2007-2021 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/tools/extracttests.py b/tools/extracttests.py
index f2b12ad1c03..2771314656e 100755
--- a/tools/extracttests.py
+++ b/tools/extracttests.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 #
 # Cppcheck - A tool for static C/C++ code analysis
-# Copyright (C) 2007-2019 Cppcheck team.
+# Copyright (C) 2007-2021 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/tools/matchcompiler.py b/tools/matchcompiler.py
index 4b0e01a4ef9..eb62f88e66e 100755
--- a/tools/matchcompiler.py
+++ b/tools/matchcompiler.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 #
 # Cppcheck - A tool for static C/C++ code analysis
-# Copyright (C) 2007-2019 Cppcheck team.
+# Copyright (C) 2007-2021 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/tools/test_matchcompiler.py b/tools/test_matchcompiler.py
index 57f07ae3aae..0cf3181b850 100755
--- a/tools/test_matchcompiler.py
+++ b/tools/test_matchcompiler.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 #
 # Cppcheck - A tool for static C/C++ code analysis
-# Copyright (C) 2007-2017 Cppcheck team.
+# Copyright (C) 2007-2021 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