diff --git a/debian/copyright b/debian/copyright
index e60eafc..cf68d85 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,7 +1,7 @@
 Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 
 Files: *
-Copyright: 2016 Michael van Tellingen
+Copyright: 2016-2017 Michael van Tellingen
 License: Expat
 
 Files: src/zeep/xsd/*
@@ -12,6 +12,14 @@ Comments:
  Parts of the XSD handling are heavily inspired by soapfish, see:
  https://github.com/FlightDataServices/soapfish
 
+Files: src/zeep/wse/*
+Copyright: 2015 ORCAS, Inc
+           Michael van Tellingen
+License: BSD-3-clause or Expat
+Comments:
+ The support for BinarySecurityToken is from py-wsse, see:
+ https://github.com/orcasgit/py-wsse
+
 Files: tests/integration/hello_world_recursive.wdsl
        tests/integration/hello_world_recursive_import.wdsl
 Copyright: not applicable
@@ -26,7 +34,7 @@ Comments:
  Original W3C files; http://www.w3.org/2001/06/soap-encoding
 
 Files: debian/*
-Copyright: 2016 Mathias Behrle <mbehrle@debian.org>
+Copyright: 2016-2017 Mathias Behrle <mbehrle@debian.org>
 License: Expat
 
 License: Expat