diff --git a/AUTHORS b/AUTHORS
index 78e6c9a..779146d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -15,6 +15,7 @@ Konrad Malawski <konrad.malawski@project13.pl>
 Google Inc.
 Ondrej Kupka <ondra.cap@gmail.com>
 Quinn Slack <qslack@qslack.com>
+Sander van Harmelen <svanharmelen@schubergphilis.com>
 Sean Wang <sean@decrypted.org>
 Shawn Smith <shawnpsmith@gmail.com>
 Stian Eikeland <stian@eikeland.se>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index eab4d75..95a59ed 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -26,6 +26,7 @@ Justin Abrahms <justin@abrah.ms>
 Konrad Malawski <konrad.malawski@project13.pl>
 Ondrej Kupka <ondra.cap@gmail.com>
 Quinn Slack <qslack@qslack.com>
+Sander van Harmelen <svanharmelen@schubergphilis.com>
 Sean Wang <sean@decrypted.org>
 Shawn Smith <shawnpsmith@gmail.com>
 Stian Eikeland <stian@eikeland.se>