diff --git a/README.md b/README.md
index c6a3bf7118..0a2a0c3aac 100644
--- a/README.md
+++ b/README.md
@@ -276,6 +276,7 @@ information about the governance of the io.js project, see
 * **Nikolai Vavilov** ([@seishun](https://github.com/seishun)) <vvnicholas@gmail.com>
 * **Nicu Micleușanu** ([@micnic](https://github.com/micnic)) <micnic90@gmail.com>
 * **Aleksey Smolenchuk** ([@lxe](https://github.com/lxe)) <lxe@lxe.co>
+* **Shigeki Ohtsu** ([@shigeki](https://github.com/shigeki)) <ohtsu@iij.ad.jp>
 
 Collaborators follow the [COLLABORATOR_GUIDE.md](./COLLABORATOR_GUIDE.md) in
 maintaining the io.js project.