diff --git a/license_check.ini b/license_check.ini
index 3c53462..c050f3c 100644
--- a/license_check.ini
+++ b/license_check.ini
@@ -22,6 +22,7 @@ authorized_licenses:
         historical permission notice and disclaimer
         Mozilla Public License 2.0 (MPL 2.0)
         Historical Permission Notice and Disclaimer (HPND)
+        Other/Proprietary
 
 unauthorized_licenses:
         gpl v3