diff --git a/data/tools/GUI.pyw b/data/tools/GUI.pyw
index 0abe81c0840..7561a11ed26 100755
--- a/data/tools/GUI.pyw
+++ b/data/tools/GUI.pyw
@@ -1663,7 +1663,7 @@ Error code: {1}
def on_about(self):
showinfo(_("About Maintenance Tools GUI"),
# TRANSLATORS: {0} is a placeholder for Wesnoth's current version, and not meant to be modified.
- _("""© Elvish_Hunter, 2014-2024
+ _("""© Elvish_Hunter, 2014-2025
Version: {0}
diff --git a/data/tools/addon_manager/html.py b/data/tools/addon_manager/html.py
index 729398086ea..8a2b8392cf5 100755
--- a/data/tools/addon_manager/html.py
+++ b/data/tools/addon_manager/html.py
@@ -127,8 +127,8 @@ WESMERE_FOOTER = '''\
<div id="footer"><div id="footer-content"><div>
<a href="https://wiki.wesnoth.org/StartingPoints">Site Map</a> • <a href="https://status.wesnoth.org/">Site Status</a><br />
- Copyright © 2003–2024 by <a rel="author" href="https://wiki.wesnoth.org/Project">The Battle for Wesnoth Project</a><br />
- Site design Copyright © 2017–2024 by Iris Morelle
+ Copyright © 2003–2025 by <a rel="author" href="https://wiki.wesnoth.org/Project">The Battle for Wesnoth Project</a><br />
+ Site design Copyright © 2017–2025 by Iris Morelle
</div></div></div>
</body>
</html>
diff --git a/data/tools/helptrailer.html b/data/tools/helptrailer.html
index 03e94fcd54e..a5aaa5c67c2 100644
--- a/data/tools/helptrailer.html
+++ b/data/tools/helptrailer.html
@@ -6,8 +6,8 @@
<div id="footer"><div id="footer-content"><div>
<a href="https://wiki.wesnoth.org/StartingPoints">Site Map</a> • <a href="https://status.wesnoth.org/">Site Status</a><br />
- Copyright © 2003–2024 by <a rel="author" href="https://wiki.wesnoth.org/Project">The Battle for Wesnoth Project</a><br />
- Site design Copyright © 2017–2024 by Iris Morelle
+ Copyright © 2003–2025 by <a rel="author" href="https://wiki.wesnoth.org/Project">The Battle for Wesnoth Project</a><br />
+ Site design Copyright © 2017–2025 by Iris Morelle
</div></div></div>
</body>
diff --git a/data/tools/unit_tree/html_output.py b/data/tools/unit_tree/html_output.py
index f9cc5d2173b..9d1a3ec6fa8 100644
--- a/data/tools/unit_tree/html_output.py
+++ b/data/tools/unit_tree/html_output.py
@@ -118,8 +118,8 @@ WESMERE_FOOTER = '''\
<div id="footer"><div id="footer-content"><div>
<a href="https://wiki.wesnoth.org/StartingPoints">Site Map</a> • <a href="https://status.wesnoth.org/">Site Status</a><br />
- Copyright © 2003–2024 by <a rel="author" href="https://wiki.wesnoth.org/Project">The Battle for Wesnoth Project</a><br />
- Site design Copyright © 2017–2024 by Iris Morelle
+ Copyright © 2003–2025 by <a rel="author" href="https://wiki.wesnoth.org/Project">The Battle for Wesnoth Project</a><br />
+ Site design Copyright © 2017–2025 by Iris Morelle
</div></div></div>
</body></html>
diff --git a/doc/man/wesnoth.6 b/doc/man/wesnoth.6
index b8570434d7e..a751c91f3dd 100644
--- a/doc/man/wesnoth.6
+++ b/doc/man/wesnoth.6
@@ -499,7 +499,7 @@ Visit the official homepage: https://www.wesnoth.org/
.
.SH COPYRIGHT
.
-Copyright \(co 2003-2024 David White <davidnwhite@verizon.net>
+Copyright \(co 2003-2025 David White <davidnwhite@verizon.net>
.br
This is Free Software; this software is licensed under the GPL version 2, as published by the Free Software Foundation.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
diff --git a/doc/man/wesnothd.6 b/doc/man/wesnothd.6
index 5104fa74446..102df149927 100644
--- a/doc/man/wesnothd.6
+++ b/doc/man/wesnothd.6
@@ -282,7 +282,7 @@ Visit the official homepage: https://www.wesnoth.org/
.
.SH COPYRIGHT
.
-Copyright \(co 2003-2024 David White <davidnwhite@verizon.net>
+Copyright \(co 2003-2025 David White <davidnwhite@verizon.net>
.br
This is Free Software; this software is licensed under the GPL version 2, as published by the Free Software Foundation.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
diff --git a/packaging/windows/campaignd.rc b/packaging/windows/campaignd.rc
index b53dfd9bf0d..01962fab81c 100644
--- a/packaging/windows/campaignd.rc
+++ b/packaging/windows/campaignd.rc
@@ -20,7 +20,7 @@ BEGIN
VALUE "ProductVersion", VERSION "\0"
VALUE "ProductName", "The Battle for Wesnoth\0"
VALUE "CompanyName", "The Battle for Wesnoth Project\0"
- VALUE "LegalCopyright", "(C) 2003-2024 The Battle for Wesnoth Project\0"
+ VALUE "LegalCopyright", "(C) 2003-2025 The Battle for Wesnoth Project\0"
END
END
BLOCK "VarFileInfo"
diff --git a/packaging/windows/wesnoth.rc b/packaging/windows/wesnoth.rc
index baff0ce9563..ec8dc681c1a 100644
--- a/packaging/windows/wesnoth.rc
+++ b/packaging/windows/wesnoth.rc
@@ -21,7 +21,7 @@ BEGIN
VALUE "ProductVersion", VERSION "\0"
VALUE "ProductName", "The Battle for Wesnoth\0"
VALUE "CompanyName", "The Battle for Wesnoth Project\0"
- VALUE "LegalCopyright", "(C) 2003-2024 The Battle for Wesnoth Project\0"
+ VALUE "LegalCopyright", "(C) 2003-2025 The Battle for Wesnoth Project\0"
END
END
BLOCK "VarFileInfo"
diff --git a/packaging/windows/wesnothd.rc b/packaging/windows/wesnothd.rc
index a6d908ca29f..7611a404a26 100644
--- a/packaging/windows/wesnothd.rc
+++ b/packaging/windows/wesnothd.rc
@@ -20,7 +20,7 @@ BEGIN
VALUE "ProductVersion", VERSION "\0"
VALUE "ProductName", "The Battle for Wesnoth\0"
VALUE "CompanyName", "The Battle for Wesnoth Project\0"
- VALUE "LegalCopyright", "(C) 2003-2024 The Battle for Wesnoth Project\0"
+ VALUE "LegalCopyright", "(C) 2003-2025 The Battle for Wesnoth Project\0"
END
END
BLOCK "VarFileInfo"
diff --git a/projectfiles/Xcode/Fix_Xcode_Dependencies b/projectfiles/Xcode/Fix_Xcode_Dependencies
index 741ace6a328..8b90b2e9672 100755
--- a/projectfiles/Xcode/Fix_Xcode_Dependencies
+++ b/projectfiles/Xcode/Fix_Xcode_Dependencies
@@ -1,7 +1,7 @@
#!/usr/bin/env bash
#
# Fix_Xcode_Dependencies
-# Martin Hrubý (hrubymar10), 2016 - 2020, 2022-2024
+# Martin Hrubý (hrubymar10), 2016 - 2020, 2022-2025
# Victor Sergienko (singalen), 2018
#
diff --git a/projectfiles/Xcode/Info.plist b/projectfiles/Xcode/Info.plist
index 3abcd284cd1..d6a05c4c1d0 100644
--- a/projectfiles/Xcode/Info.plist
+++ b/projectfiles/Xcode/Info.plist
@@ -29,7 +29,7 @@
<key>NSHighResolutionCapable</key>
<true/>
<key>NSHumanReadableCopyright</key>
- <string>© 2003-2024 by The Battle for Wesnoth Project</string>
+ <string>© 2003-2025 by The Battle for Wesnoth Project</string>
<key>NSMainNibFile</key>
<string>SDLMain</string>
<key>NSPrincipalClass</key>