diff --git a/.mailmap b/.mailmap
index d1af659bc7..f9a4d7cc5c 100644
--- a/.mailmap
+++ b/.mailmap
@@ -9,6 +9,7 @@ Chris Cormack                   <chrisc@catalyst.net.nz>
 Chris Nighswonger               <cnighswonger@foundations.edu>
 Colin Campbell                  <colin.campbell@ptfs-europe.com>
 D Ruth Bavousett                <ruth@bywatersolutions.com>
+David Cook                      <dcook@prosentient.com.au>
 Frédéric Demians                <f.demians@tamil.fr>
 Frédérick Capovilla             <frederick.capovilla@libeo.com>
 Galen Charlton                  <gmc@esilibrary.com>
@@ -35,7 +36,7 @@ Owen Leonard                    <oleonard@myacpl.org>
 Paul Poulain                    <paul.poulain@biblibre.com>
 Robin Sheat                     <robin@catalyst.net.nz>
 Srdjan Jankovic                 <srdjan@catalyst.net.nz>
-David Cook                      <dcook@prosentient.com.au>
+Tomás Cohen Arazi               <tomascohen@gmail.com>
 
 # Name to name mapping: the name in the right column will be mapped to the name in the left