diff --git a/COPYRIGHT b/COPYRIGHT
index 7b491b8bab3..09557f6520e 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -38,6 +38,7 @@ TCPDI                  1.0.0         LGPL-3+ / Apache 2.0        Yes
 
 JS libraries:
 Ace                    1.4.8         BSD                         Yes             JS library to get code syntaxique coloration in a textarea.
+Chart				   2.9.3         MIT License                 Yes             JS library for graph
 jQuery                 3.4.1         MIT License                 Yes             JS library
 jQuery UI              1.12.1        GPL and MIT License         Yes             JS library plugin UI
 jQuery select2         4.0.13        GPL and Apache License      Yes             JS library plugin for sexier multiselect