diff --git a/COPYRIGHT.txt b/COPYRIGHT.txt
index 7a850ee..c17db1c 100644
--- a/COPYRIGHT.txt
+++ b/COPYRIGHT.txt
@@ -37,3 +37,5 @@ repack is licensed under the Unlicense. A license copy is provided in LICENSES/U
 Copyright (c) 2010 magical - nlzss, nlzss-c, licensed under the MIT license. A license copy is provided in LICENSES/MIT.txt.
 
 Copyright (c) 202x Stéphane Peter - makeself, licensed under GPLv2.0 or later. A license copy is provided in LICENSES/LICENSES/GPL-2.0-or-later.txt.
+
+db is licensed under the Unlicense. A license copy is provided in LICENSES/Unlicense.txt.