diff --git a/doc/ack.texi b/doc/ack.texi
index e01af8f7e..a9d2c6b7d 100644
--- a/doc/ack.texi
+++ b/doc/ack.texi
@@ -43,10 +43,13 @@ Bugfixes, documentation, encouragement, and code has been contributed by:
 @item Andrew Tridge
 @item Anton Lundin
 @item Asanka Herath
+@item Björn Grönvall
 @item Björn Sandell
 @item Björn Schlögl
 @item Brandon S. Allbery KF8NH
 @item Brian A May
+@item Buck Huppmann
+@item Cacdric Schieli
 @item Chaskiel M Grundman
 @item Christos Zoulas
 @item Cizzi Storm
@@ -57,23 +60,37 @@ Bugfixes, documentation, encouragement, and code has been contributed by:
 @item Donald Norwood
 @item Douglas E Engert
 @item Frank van der Linden
+@item Gabor Gombas
 @item Guido Günther
+@item Guillaume Rousse
 @item Harald Barth
+@item Ingo Schwarze
+@item Jacques A. Vidrine
 @item Jaideep Padhye
 @item Jan Rekorajski
 @item Jason McIntyre
+@item Jeffrey Altman
+@item Jelmer Vernooij
+@item Joerg Pulz
+@item Johan Danielsson
 @item Johan Gadsjö
 @item Johan Ihrén
 @item John Center
 @item Jun-ichiro itojun Hagino
 @item KAMADA Ken'ichi
+@item Kamen Mazdrashki
+@item Karolin Seeger
 @item Ken Hornstein
+@item Love Hörnquist Åstrand
+@item Luke Howard
 @item Magnus Ahltorp
+@item Magnus Holmberg
 @item Marc Horowitz
 @item Mario Strasser
 @item Mark Eichin
 @item Martin von Gagern
 @item Matthias Dieter Wallnöfer
+@item Matthieu Patou
 @item Mattias Amnefelt
 @item Michael B Allen
 @item Michael Fromberger
@@ -81,6 +98,7 @@ Bugfixes, documentation, encouragement, and code has been contributed by:
 @item Milosz Kmieciak
 @item Miroslav Ruda
 @item Mustafa A. Hashmi
+@item Nicolas Williams
 @item Patrik Lundin
 @item Petr Holub
 @item Phil Fisher
@@ -91,6 +109,7 @@ Bugfixes, documentation, encouragement, and code has been contributed by:
 @item Roman Divacky
 @item Russ Allbery
 @item Sho Hosoda, 細田 将
+@item Simon Wilkinson
 @item Stefan Metzmacher
 @item Ted Percival
 @item Tom Payerle