diff --git a/.mailmap b/.mailmap
index f2a37440b0..337e855f16 100644
--- a/.mailmap
+++ b/.mailmap
@@ -12,6 +12,8 @@ D Ruth Bavousett                <ruth@bywatersolutions.com>
 David Cook                      <dcook@prosentient.com.au>
 Frédéric Demians                <f.demians@tamil.fr>
 Frédérick Capovilla             <frederick.capovilla@libeo.com>
+Fridolin Somers                 <fridolin.somers@biblibre.com>
+Fridolin Somers                 <fridolyn.somers@biblibre.com>
 Galen Charlton                  <gmc@esilibrary.com>
 Greg Barniskis                  <gbarniskis@gmail.com>
 Ian Walls                       <ian.walls@bywatersolutions.com>
@@ -40,11 +42,13 @@ Tomás Cohen Arazi               <tomascohen@gmail.com>
 Tomás Cohen Arazi               <tcohen@psi.unc.edu.ar>
 Bernardo González Kriegel       <bgkriegel@gmail.com>
 Bernardo González Kriegel       <gonzalez@di.unc.edu.ar>
+Simith D'Oliveira               <simith@inlibro.com>
 
 # Name to name mapping: the name in the right column will be mapped to the name in the left
 
 Chris Nighswonger               Chris R. Nighswonger
 Jared Camins-Esakov             Jared CAMINS-ESAKOV
+Fridolin Somers                 Fridolyn SOMERS
 
 # Mail to mail mapping: the email addy in the right column will be mapped to the email addy in the left
 
@@ -56,3 +60,4 @@ Jared Camins-Esakov             Jared CAMINS-ESAKOV
 <jcamins@cpbibliography.com>    <koha@cpbibliography.com>
 <tcohen@psi.unc.edu.ar>         <tomascohen@gmail.com>
 <gonzalez@di.unc.edu.ar>        <bgkriegel@gmail.com>
+<fridolin.somers@biblibre.com>  <fridolyn.somers@biblibre.com>