diff --git a/RELICENSE/bjorntopel.md b/RELICENSE/bjorntopel.md
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+# Permission to Relicense under MPLv2 or any other OSI approved license chosen by the current ZeroMQ BDFL
+
+This is a statement by Björn Töpel that grants permission to relicense
+its copyrights in the libzmq C++ library (ZeroMQ) under the Mozilla
+Public License v2 (MPLv2) or any other Open Source Initiative approved
+license chosen by the current ZeroMQ BDFL (Benevolent Dictator for
+Life).
+
+A portion of the commits made by the Github handle "bjoto", with
+commit author "Bjorn Topel <bjorn.topel@gmail.com>", are copyright of
+Björn Töpel.  This document hereby grants the libzmq project team to
+relicense libzmq, including all past, present and future contributions
+of the author listed above.
+
+Björn Töpel
+2017/03/26