diff --git a/.mailmap b/.mailmap
index 772836bd..6296cff4 100644
--- a/.mailmap
+++ b/.mailmap
@@ -4,3 +4,5 @@
 Kota Tsuyuzaki <bloodeagle40234@gmail.com> <kota.tsuyuzaki.pc@hco.ntt.co.jp>
 Kota Tsuyuzaki <bloodeagle40234@gmail.com> <tsuyuzaki.kota@lab.ntt.co.jp>
 Kota Tsuyuzaki <bloodeagle40234@gmail.com> <k.tsuyuzaki@ntt.com>
+Takashi Kajinami <kajinamit@oss.nttdata.com> <tkajinam@redhat.com>
+Takashi Kajinami <kajinamit@oss.nttdata.com> <kajinamit@nttdata.co.jp>