diff --git a/AUTHORS b/AUTHORS
index f7130325fa..71432b57b1 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -150,6 +150,7 @@ Michael Elkins <michael.elkins@gmail.com>
 Michael Gehring <mg@ebfe.org>
 Michael Hoisie <hoisie@gmail.com>
 Michael Lewis <mikelikespie@gmail.com>
+Michael Stapelberg <michael@stapelberg.de>
 Michał Derkacz <ziutek@lnet.pl>
 Miek Gieben <miek@miek.nl>
 Mikael Tillenius <mikti42@gmail.com>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 48ac47e59d..fef2faefe0 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -223,6 +223,7 @@ Michael Gehring <mg@ebfe.org>
 Michael Hoisie <hoisie@gmail.com>
 Michael Lewis <mikelikespie@gmail.com>
 Michael Shields <mshields@google.com>
+Michael Stapelberg <michael@stapelberg.de> <mstplbrg@googlemail.com>
 Michael T. Jones <mtj@google.com> <michael.jones@gmail.com>
 Michał Derkacz <ziutek@lnet.pl>
 Miek Gieben <miek@miek.nl> <remigius.gieben@gmail.com>