diff --git a/debian/apertis/copyright b/debian/apertis/copyright
new file mode 100644
index 0000000000000000000000000000000000000000..be3c35fb2fd23bae331a8bfffa3cd913d98cf369
--- /dev/null
+++ b/debian/apertis/copyright
@@ -0,0 +1,31 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: ffjson
+Source: https://github.com/pquerna/ffjson
+Files-Excluded:
+  tests/vendor
+  Godeps/_workspace
+
+Files: *
+Copyright: 2014-2019, Paul Querna <pquerna@apache.org>, Klaus Post <klauspost@gmail.com>, Erik Dubbelboer <erik@dubbelboer.com>
+License: Apache-2.0
+
+Files: debian/*
+Copyright: 2019 Reinhard Tartler <siretart@tauware.de>
+License: Apache-2.0
+Comment: Debian packaging is licensed under the same terms as upstream
+
+License: Apache-2.0
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ .
+ http://www.apache.org/licenses/LICENSE-2.0
+ .
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ .
+ On Debian systems, the complete text of the Apache version 2.0 license
+ can be found in "/usr/share/common-licenses/Apache-2.0".