diff --git a/projects/msgpack-c/project.yaml b/projects/msgpack-c/project.yaml
index de292c53e..2e30007c0 100644
--- a/projects/msgpack-c/project.yaml
+++ b/projects/msgpack-c/project.yaml
@@ -1,6 +1,7 @@
 homepage: "https://msgpack.org/"
 primary_contact: "redboltz@gmail.com"
 auto_ccs:
+  - nobu.k.jp@gmail.com
   - chriswwolfe@gmail.com
 sanitizers:
   - address