Tag: dep5-copyright-license-name-not-unique Severity: warning Check: debian/copyright/dep5 See-Also: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Explanation: This paragraph defines an already defined license. . According to the specification, short license names are required to be unique within a single copyright file. . This tag could be raised by something like this: . Files: filea ... Copyright: 2009, ... License: LGPL-2.1 This program is free software; ... . Files: fileb ... Copyright: 2009, ... License: LGPL-2.1 This program is free software; ... . In this case, you redefine LGPL-2.1 license. You should use a stand-alone paragraph or merge the two files (using a single paragraph).