diff --git a/NOTICE b/NOTICE
index 85b08d6a..f37587ae 100644
--- a/NOTICE
+++ b/NOTICE
@@ -26,4 +26,8 @@ Copyright (c) 2010 Atos Worldline SAS
 
 Based on VeraPDF-library https://github.com/veraPDF/veraPDF-library licensed under the MPL 2.0
 Based on PH-Schematron https://github.com/phax/ph-schematron licensed under the APL2.0
+Based on CII2UBL https://github.com/phax/en16931-cii2ubl licensed under the APL2.0
 Based on https://github.com/itplr-kosit/xrechnung-schematron licensed under the APL2.0
+Based on https://github.com/itplr-kosit/xrechnung-visualization licensed under the APL2.0
+Based on Saxon-HE https://sourceforge.net/projects/saxon/ licensed under the MPL 2.0
+Based on DOM4j https://dom4j.github.io/ licensed under the BSD license