diff --git a/.mailmap b/.mailmap
index 295837ff3b..0ff7365061 100644
--- a/.mailmap
+++ b/.mailmap
@@ -14,3 +14,5 @@ Kathy Gray          <kathyg@racket-lang.org>      <kathyg@c0133.aw.cl.cam.ac.uk>
 Matthias Felleisen  <matthias@racket-lang.org>    <matthias@ccs.neu.edu>
 Robby Findler       <robby@racket-lang.org>       <robby@eecs.northwestern.edu>
 Jon Rafkind         <rafkind@racket-lang.org>     <jon@jon-laptop.(none)>
+Stephen Chang       <stchang@racket-lang.org>     <stchang216@gmail.com>
+Asumu Takikawa      <asumu@racket-lang.org>       <asumu@ccs.neu.edu>