diff --git a/debian/apertis/copyright b/debian/apertis/copyright
new file mode 100644
index 0000000000000000000000000000000000000000..b4d69bc827ccf5f034d149d1274c4af2127bf970
--- /dev/null
+++ b/debian/apertis/copyright
@@ -0,0 +1,21 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+
+Files: *
+Copyright: no-info-found
+License: Expat
+
+Files: MIT-LICENSE
+Copyright: 2007-2019, Leah Neukirchen <http:leahneukirchen.org/infopage.html>
+License: Expat
+
+Files: debian/*
+Copyright: no-info-found
+License: Expat
+
+Files: debian/rackup.1
+Copyright: 2007-2010, fBChristian NeukirchenfR fB<http:purl.org/net/chneukirchen>fR
+License: Expat
+
+Files: lib/* lib/rack/* lib/rack/show_status.rb test/* test/multipart/*
+Copyright: 2007-2015 Christian Neukirchen <purl.org/net/chneukirchen>
+License: Expat