diff --git a/RELICENSE/skaes.md b/RELICENSE/skaes.md
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+# Permission to Relicense under MPLv2
+
+This is a statement by Dr. Stefan Kaes that grants permission to relicense its
+copyrights in the libzmq C++ library (ZeroMQ) under the Mozilla Public License
+v2 (MPLv2).
+
+A portion of the commits made by the Github handle "skaes", with commit author
+"Stefan Kaes <stefan.kaes@xing.com>", are copyright of New Work SE.  This
+document hereby grants the libzmq project team to relicense libzmq, including
+all past, present and future contributions of the author listed above.
+
+Dr. Stefan Kaes
+2021/01/04