diff --git a/gtk/Application.cc b/gtk/Application.cc
index f55bc50d5..45cbaa1e2 100644
--- a/gtk/Application.cc
+++ b/gtk/Application.cc
@@ -99,9 +99,10 @@ namespace
 auto const AppIconName = "transmission"sv; // TODO(C++20): Use ""s
 
 char const* const LICENSE =
-    "Copyright 2005-2022. All code is copyrighted by the respective authors.\n"
+    "Copyright 2005-2023. 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."
     "\n"
     "In addition, linking to and/or using OpenSSL is allowed.\n"
     "\n"