diff --git a/AUTHORS b/AUTHORS
index 7c544cb84a..e054b41744 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -183,6 +183,7 @@ Michael Gehring <mg@ebfe.org>
 Michael Hoisie <hoisie@gmail.com>
 Michael Lewis <mikelikespie@gmail.com>
 Michael Stapelberg <michael@stapelberg.de>
+Michael Teichgräber <mteichgraeber@gmx.de>
 Michał Derkacz <ziutek@lnet.pl>
 Miek Gieben <miek@miek.nl>
 Mikael Tillenius <mikti42@gmail.com>
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 956d3f3e10..3e3015f825 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -271,6 +271,7 @@ 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>
+Michael Teichgräber <mteichgraeber@gmx.de> <mt4swm@googlemail.com>
 Michał Derkacz <ziutek@lnet.pl>
 Miek Gieben <miek@miek.nl> <remigius.gieben@gmail.com>
 Mikael Tillenius <mikti42@gmail.com>