diff --git a/COPYING b/COPYING
index d237dbd841..5a55ef7f71 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,4 @@
-Copyright 2005-2024. All code is copyrighted by the respective authors.
+Copyright 2005-2025. All code is copyrighted by the respective authors.
 
 Transmission can be redistributed and/or modified under the terms of
 the GNU GPLv2 (http://www.gnu.org/licenses/license-list.html#GPLv2),
diff --git a/cmake/Transmission.rc.in b/cmake/Transmission.rc.in
index ab91b2b503..85cecb55df 100644
--- a/cmake/Transmission.rc.in
+++ b/cmake/Transmission.rc.in
@@ -32,7 +32,7 @@ BEGIN
             VALUE "FileDescription",  "${TR_FILE_DESCRIPTION}"
             VALUE "FileVersion",      LONG_VERSION_STRING
             VALUE "InternalName",     "${TR_INTERNAL_NAME}"
-            VALUE "LegalCopyright",   "2005-2024 Transmission Project"
+            VALUE "LegalCopyright",   "2005-2025 Transmission Project"
             VALUE "OriginalFilename", "${TR_ORIGINAL_FILENAME}"
             VALUE "ProductName",      "Transmission"
             VALUE "ProductVersion",   LONG_VERSION_STRING
diff --git a/gtk/Application.cc b/gtk/Application.cc
index 9d710f03ca..d06bfa03f6 100644
--- a/gtk/Application.cc
+++ b/gtk/Application.cc
@@ -101,7 +101,7 @@ namespace
 auto const AppIconName = "transmission"sv; // TODO(C++20): Use ""s
 
 char const* const LICENSE =
-    "Copyright 2005-2024. All code is copyrighted by the respective authors.\n"
+    "Copyright 2005-2025. All code is copyrighted by the respective authors.\n"
     "\n"
     "Transmission can be redistributed and/or modified under the terms of the "
     "GNU GPL, versions 2 or 3, or by any future license endorsed by Mnemosyne LLC."
diff --git a/macosx/Info.plist b/macosx/Info.plist
index 8526ebedfa..3f0d30e316 100644
--- a/macosx/Info.plist
+++ b/macosx/Info.plist
@@ -70,7 +70,7 @@
 	<key>NSAppleScriptEnabled</key>
 	<string>YES</string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2005-2024 The Transmission Project</string>
+	<string>Copyright © 2005-2025 The Transmission Project</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
diff --git a/macosx/Info.plist.in b/macosx/Info.plist.in
index cb3aff3b3c..cb2655faa7 100644
--- a/macosx/Info.plist.in
+++ b/macosx/Info.plist.in
@@ -74,7 +74,7 @@
 		<true/>
 	</dict>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2005-2024 The Transmission Project</string>
+	<string>Copyright © 2005-2025 The Transmission Project</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
diff --git a/macosx/QuickLookPlugin/Info.plist.in b/macosx/QuickLookPlugin/Info.plist.in
index 6f7520bd34..721d63b1aa 100644
--- a/macosx/QuickLookPlugin/Info.plist.in
+++ b/macosx/QuickLookPlugin/Info.plist.in
@@ -47,7 +47,7 @@
 	<key>CFPlugInUnloadFunction</key>
 	<string></string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2005-2024 The Transmission Project</string>
+	<string>Copyright © 2005-2025 The Transmission Project</string>
 	<key>QLNeedsToBeRunInMainThread</key>
 	<false/>
 	<key>QLPreviewHeight</key>
diff --git a/macosx/QuickLookPlugin/QuickLookPlugin-Info.plist b/macosx/QuickLookPlugin/QuickLookPlugin-Info.plist
index 5b916dea8e..5a347e6382 100644
--- a/macosx/QuickLookPlugin/QuickLookPlugin-Info.plist
+++ b/macosx/QuickLookPlugin/QuickLookPlugin-Info.plist
@@ -49,7 +49,7 @@
 	<key>CFPlugInUnloadFunction</key>
 	<string></string>
 	<key>NSHumanReadableCopyright</key>
-	<string>Copyright © 2005-2024 The Transmission Project</string>
+	<string>Copyright © 2005-2025 The Transmission Project</string>
 	<key>QLNeedsToBeRunInMainThread</key>
 	<false/>
 	<key>QLPreviewHeight</key>
diff --git a/macosx/da.lproj/InfoPlist.strings b/macosx/da.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/da.lproj/InfoPlist.strings
+++ b/macosx/da.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/de.lproj/InfoPlist.strings b/macosx/de.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/de.lproj/InfoPlist.strings
+++ b/macosx/de.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/en.lproj/InfoPlist.strings b/macosx/en.lproj/InfoPlist.strings
index e851cf6c51..be8097f058 100644
--- a/macosx/en.lproj/InfoPlist.strings
+++ b/macosx/en.lproj/InfoPlist.strings
@@ -1,4 +1,4 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
 MDItemKeywords = "torrent,torrents,magnet,magnets,tor,bt,bit";
diff --git a/macosx/es.lproj/InfoPlist.strings b/macosx/es.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/es.lproj/InfoPlist.strings
+++ b/macosx/es.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/eu.lproj/InfoPlist.strings b/macosx/eu.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/eu.lproj/InfoPlist.strings
+++ b/macosx/eu.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/fr.lproj/InfoPlist.strings b/macosx/fr.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/fr.lproj/InfoPlist.strings
+++ b/macosx/fr.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/he.lproj/InfoPlist.strings b/macosx/he.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/he.lproj/InfoPlist.strings
+++ b/macosx/he.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/hu.lproj/InfoPlist.strings b/macosx/hu.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/hu.lproj/InfoPlist.strings
+++ b/macosx/hu.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/it.lproj/InfoPlist.strings b/macosx/it.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/it.lproj/InfoPlist.strings
+++ b/macosx/it.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/ja.lproj/InfoPlist.strings b/macosx/ja.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/ja.lproj/InfoPlist.strings
+++ b/macosx/ja.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/nl.lproj/InfoPlist.strings b/macosx/nl.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/nl.lproj/InfoPlist.strings
+++ b/macosx/nl.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/pl.lproj/InfoPlist.strings b/macosx/pl.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/pl.lproj/InfoPlist.strings
+++ b/macosx/pl.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/pt-BR.lproj/InfoPlist.strings b/macosx/pt-BR.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/pt-BR.lproj/InfoPlist.strings
+++ b/macosx/pt-BR.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/pt-PT.lproj/InfoPlist.strings b/macosx/pt-PT.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/pt-PT.lproj/InfoPlist.strings
+++ b/macosx/pt-PT.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/ru.lproj/InfoPlist.strings b/macosx/ru.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/ru.lproj/InfoPlist.strings
+++ b/macosx/ru.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/sv.lproj/InfoPlist.strings b/macosx/sv.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/sv.lproj/InfoPlist.strings
+++ b/macosx/sv.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/tr.lproj/InfoPlist.strings b/macosx/tr.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/tr.lproj/InfoPlist.strings
+++ b/macosx/tr.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/uk.lproj/InfoPlist.strings b/macosx/uk.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/uk.lproj/InfoPlist.strings
+++ b/macosx/uk.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/zh-CN.lproj/InfoPlist.strings b/macosx/zh-CN.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/zh-CN.lproj/InfoPlist.strings
+++ b/macosx/zh-CN.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/macosx/zh-TW.lproj/InfoPlist.strings b/macosx/zh-TW.lproj/InfoPlist.strings
index 5b9ded4936..c7c717d691 100644
--- a/macosx/zh-TW.lproj/InfoPlist.strings
+++ b/macosx/zh-TW.lproj/InfoPlist.strings
@@ -1,3 +1,3 @@
 /* Localized versions of Info.plist keys */
 
-NSHumanReadableCopyright = "Copyright © 2005-2024 The Transmission Project";
+NSHumanReadableCopyright = "Copyright © 2005-2025 The Transmission Project";
diff --git a/qt/LicenseDialog.ui b/qt/LicenseDialog.ui
index 0a24611edf..468f3cfa1f 100644
--- a/qt/LicenseDialog.ui
+++ b/qt/LicenseDialog.ui
@@ -20,7 +20,7 @@
       <bool>true</bool>
      </property>
      <property name="plainText">
-      <string notr="true">Copyright 2005-2024. All code is copyrighted by the respective authors.
+      <string notr="true">Copyright 2005-2025. All code is copyrighted by the respective authors.
 
 
 In addition, linking to and/or using OpenSSL is allowed.