diff --git a/COPYRIGHT b/COPYRIGHT
index de293e3867e..945446a08c0 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -34,7 +34,7 @@ ParseDown              1.6           MIT License                 Yes
 PCLZip                 2.8.4         LGPL-3+                     Yes             Library to zip/unzip files             
 PHPDebugBar            1.15.1        MIT License                 Yes             Used only by the module "debugbar" for developers
 PHPSpreadSheet         1.8.2         LGPL-2.1+                   Yes             Read/Write XLS files, read ODS files
-php-iban               1.4.7         LGPL-3+                     Yes             Parse and validate IBAN (and IIBAN) bank account information in PHP
+php-iban               4.1           LGPL-3+                     Yes             Parse and validate IBAN (and IIBAN) bank account information in PHP
 PHPoAuthLib            0.8.2         MIT License                 Yes             Library to provide oauth1 and oauth2 to different service
 PHPPrintIPP            1.3           GPL-2+                      Yes             Library to send print IPP requests
 PSR/Logs               1.0                                                       Library for logs (used by DebugBar)