diff --git a/COPYRIGHT b/COPYRIGHT
index bd7d76aedec..2485625914a 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -40,7 +40,7 @@ PHPPrintIPP            1.3           GPL-2+                      Yes
 PSR/Logs               1.0           MIT License                 Yes             Library for logs (used by DebugBar)
 PSR/simple-cache       ?             MIT License                 Yes             Library for cache (used by PHPSpreadSheet)
 Restler                3.1.1         LGPL-3+                     Yes             Library to develop REST Web services (+ swagger-ui js lib into dir explorer)
-Sabre                  3.2.2         BSD                         Yes             DAV support
+Sabre                  4.0.2         BSD                         Yes             DAV support
 Swift Mailer           5.4.2-DEV     MIT License                 Yes             Comprehensive mailing tools for PHP
 Symfony/var-dumper     ??? 			 MIT License                 Yes             Library to make var dump (used by DebugBar)
 Stripe                 10.7.0        MIT Licence                 Yes             Library for Stripe module